Adrienne Bailon hosting the 'I Want Now' Fashion Show Benefiting Haiti Event at Meatpacking hotspot Tenjune with guests including “The City” stars Sammi Swetra and Freddie Facklemeyer, Caridee English, and DJ Ian Boyd.
The Strokes’ Albert Hammond Jr. arriving with his dog at the launch party for TheFreeStyleLife.com at the Hotel Roger Smith in NYC.
Rachel Bilson, Christina Hendricks, and Geoffrey Arend, joined musical talent VV Brown for a live performance and party in celebration of the new Ann Taylor Fall 2010 collection at the ACE Hotel in NYC.
Jessica Alba, Jesse McCartney, Christopher Lloyd, Jordan Bratman, Chris Messina, Emma Caulfield, Madeline Zima, and James Cromwell, among others, attending the Los Angeles cocktail reception celebrating the 2010 Tribeca Film Festival program and launch of Tribeca Film, the Festival's new distribution initiative at Station Hollywood inside the W Hollywood Hotel & Residences.
Chace Crawford shopping for new jeans at the Diesel store on Melrose Place.
Nick Cannon beating Justin Bieber at bowling then fueling up on Crumbs cupcakes during the “Bowling with Bieber” record release party at Lucky Strike in New York. Bieber was getting a lot of female attention throughout the evening, so much so that he had to sneak out of his own party early to avoid being bombarded.
Designer Rachel Roy donating jeans to Fashion Delivers at the L.e.i. Model Citizen event in White Plains, New York.
Sheryl Crow performing at a benefit concert sponsored by Crystal Light on World Water Day in New York to raise awareness for the need to protect America’s vital freshwater sources. Mariska Hargitay stopped by the concert and was singing along with the songs and dancing inside.
Kate Hudson dining on the patio of Santa Monica restaurant LGO, where she enjoyed a Sonoma Salad and Animal Style Ahi Tuna Burger wrapped in Bib Lettuce.
Wilmer Valderrama and Quincy Jones toasting Emilio Estefan on the success of his new book Rhythm of Success with Atlantico Rum cocktails at the Renaissance Hollywood Hotel.
Mena Suvari munching on beijing chicken at Philippe Chow in West Hollywood on Saturday night and being very giddy when talking to friends about how she wants to have babies with her fiancé.
Rufus Wainwright performing at The Rose Bar Sessions inside the Gramercy Park Hotel in New York City in front of Drew Barrymore, Scarlett Johansson, Lucy Liu, Penn Badgley, Susan Sarandon, Eva Amurri, Michael Kors, Christian Siriano, Lou Reed, Laurie Anderson, Alan Cumming, and Zachary Quinto.
Whitney Port and Roxy Olin snacking outdoors on “yogen fruz” en route to the airport after debuting her new collection, Whitney Eve, in Miami.
Amanda Seyfried shopping at the alice + olivia by Stacey Bendet store on Robertson Boulevard, picking up staple pieces for her spring wardrobe.
Jennie Garth participating in KIND Healthy Snack's "Do the KIND Thing" initiative by visiting UCLA Children's Hospital benefiting The Lollipop Theater, and giving patients manicures.
Edie Falco at the Academy of Television Arts & Sciences’ An Evening with “Nurse Jackie,” saying she would be amenable to a “Sopranos” reunion if she could play Tony and James Gandolfini could play Carmela.
Clive Owen staying at the Renaissance Hollywood Hotel while visiting Los Angeles.
Carrie Underwood visiting The Pier Shops at Caesar’s with a group of friends, stopping at Apple, Armani Exchange, MAC, Starbucks, GUESS and the Piazza where she grabbed a smoothie.
Seth Rogen, Anne Hathaway, Demi Moore, Jason Alexander, Kaley Cuoco, Chris Pine, Shenae Grimes, Samantha Harris, Eric McCormack, Billy Crystal, Abigail Spencer, Peter Gallagher, Gilles Marini, Allison Iraheta, and more at the 18th Annual “A Night at Sardi’s” Fundraiser and Awards Dinner benefiting the Alzheimer’s Association.
Ferrari launching the 458 Italia at the Fleur de Lys Mansion with a performance by John Mayer and tunes spun by DJ Cobra, in front of Patrick Dempsey, Jeremy Renner, Katie Cassidy, Olivia Munn, Malin Akerman, and Maria Menunos.
Peaches Geldof and boyfriend Eli Roth spotted at the What Goes Around Comes Around 1-Year Anniversary Party, being very affectionate and stealing moments throughout the night to smile at each other.
Madonna and boyfriend Jesus Luz at NYC hot spot SL where the pair held court on the dance floor well into the wee hours of the morning.
A pregnant Amy Poehler at the Worldwide Orphans Foundation benefit reception at the Viceroy Santa Monica.
Porn star, Tera Patrick and record producer, Scott Storch stopping by ghostbar inside Palms Casino Resort with a group of four where they partied the night away. Patrick was drinking margaritas and tequila shots, while Storch was drinking shots of tequila and beers.
Duran Duran at WET REPUBLIC at the MGM Grand, relaxing in a bungalow with their manager.
Karina Smirnoff saying she wished she could have been dressed in Yotam Solomon like Twilight:Saga starlet Nikki Reed at the Yotam Solomon FW2010 Fashion Presentation in LA, but jokingly admitted that her spray tan may have clashed with the beautiful frocks.
Jerry Ferrara & Theo Rossi hanging out with friends at the Happy Ending Bar & Restaurant to support the St. Baldrick’s Foundation and cheered people on as they shaved their heads for kid’s cancer.
Karina Smirnoff at Fashion: Refocus at BOXeight Studios for LA Fashion Week where designers Isabel Lu, Skingraft, Funktional, and Goldspun were unveiling their Fall 2010 collections.
Chris Rock hanging out backstage with Martin Lawrence after Martin’s sold out performance inside the Pearl Concert Theater at the Palms Casino Resort on Saturday night.
Mena Suvari supporting her favorite LA brands, Division-E and Report Signature, at the finale of LA Fashion Week.
“Dancing with the Stars” contestant Aiden Turner was warming up for the new season on the dance floor alongside a crowd of TV stars including Jerry Ferrara, Domenick Lombardozz, Evan Handler, Brittny Gastineau, and Geoff Stults at the Haven360 pre-Oscar Gala celebrating Academy Award-nominated director Lee Daniels.
Oscar-winner Jodie Foster exclaiming, “That sand is mine!” as she took on the charitable chore with the LG Electronics Kompressor Vacuum.
Jason Lewis on the red carpet of the Independent Spirit Awards acting gentlemanly, as he apologized and kissed the hand of a publicist who had just been scolded by angry photographers for blocking their shot of the “Sex and the City” star.
Morgan Freeman, Mel Gibson, Ryan Seacrest, Jeremy Renner, Marlee Matlin, Nia Vardalos, Eva Longoria, Eli Roth, Quinton Aaron, Terri Seymour, John Landau, James Horner, Alexandre Desplat, Liz Phair, and Jacqueline Bisset at The Hollywood Reporter's Nominees' Night Prelude to Oscars at the Mayor's Residence.
Jennifer Lopez being trailed by 30 paparazzi after an eyebrow shaping with Anastasia Soare at Anastasia Beverly Hills.
Candy Spelling checking out the new Hyundai Tucson at Debbie Durkin’s Eco-Oscars Hospitality Lounge.
Demi Moore & Ashton Kutcher, Aaron Eckhart, Eva Longoria Parker, Jamie Foxx, Molly Sims, Camilla Belle, Nicky Hilton, James Marsden, Olivier Martinez, Olivia Wilde, Oliver Stone, Jason Statham, Kelly Brook, Matt Dillon, Dave Annable, Rachel Zoe, Olivia Munn, Mia Maestro, Ridley Scott, and Elsa Patsky at the 3rd Annual Pre-Oscar Hollywood Domino Gala Benefitting Artists for Peace and Justice presented by Quintessentially & Maybach.
Brooke Shields on the April cover of Ladies’ Home Journal, revealing, “I want laser treatment because I’m not a fan of my wrinkles, but I have to find someone with a light touch. I’m scared I’ll end up looking like the Joker.”
Maggie Gyllenhaal at Mondrian's Asia de Cuba in West Hollywood, with her husband Peter Sarsgaard and T Bone Burnett, noshing on calamari salad and Chilean sea bass. The trio toasted Maggie on her Oscar nomination and personally thanked all of the staff.
“Millionaire Matchmaker” Patti Stanger at the Television Academy of Arts & Sciences “An Evening with “Modern Family,” overheard suggesting that if Jessica Simpson wants to date, she should find herself a business-man.
Taraji Henson, Viola Davis, Angela Basset, Ruby Dee, Nia Long, Tracee Ellis Ross, Jurnee Smollett, Regina Taylor, LaTanya Richardson, Margaret Avery, Tracee Ellis-Ross, and Marianne Jean-Baptiste at the Grey Goose and Alfre Woodard dinner celebrating African American women in film.
While in Miami hosting the Amstel Light Burger Bash during the South Beach Wine & Food Festival, Rachael Ray made sure to balance her food indulging experience with a workout at David Barton Gym Gansevoort South, where she was spotted hitting the treadmill everyday.
Superstar Kenny Chesney surprised patrons at Tootsie's Orchid Lounge when he and rock icon, Steve Miller, gave an impromptu performance at the legendary Lower Broadway honky-tonk.
Dewar's Signature and Ed Norton hosted The Signature Theatre Company’s Annual Gala at Espace in New York City with attendees Alicia Silverstone, Paul Rudd, Mathew Broderick, Angela Landsbury, and Sam Waterson.
Audi and actress Camilla Belle celebrating Oscar week at Cecconi's with Nikki Reed, Wilmer Valderrama, Cory Monteith, Alexa Vega, Craig Robinson, Louise Griffiths, Alan Cumming, Sari Lennick, and Cassie Scerbo.
Arnold Schwarzenegger getting a color/cut at Giuseppe Franco Salon in Beverly Hills sans Maria.
Gloria Allred spending time with her family while having dinner at Sushi Roku in Santa Monica.
Denzel Washington inside "jer-ne," the bar/restaurant at the Ritz Carlton Hotel in Marina Del Rey, joined by a male pal and his son. Washington was extremely friendly to all fans who approached him and stood up to shake each of their hands.
Hulk Hogan, joined by his fiance Jennifer, son Nick, and a male friend inside "jer-ne" at the Ritz Carlton Hotel in Marina Del Rey. Nick stood up to hug Jennifer as he left their table to take a brief phone call.
"Twilight" star Kellan Lutz and his ‘First Love, Then Marriage’ co-star Mandy Moore caught up, with Kellan searching for her through a crowd of 500 when he heard she had arrived at the “QVC Red Carpet Style Party” at the Four Seasons Hotel.
Nina Dobrev, Jessica Lowndes, Regina King, Perrey Reeves, Brooke Burns, Melissa Rycroft, Izabella Miko, and Abigail Spencer at the Stuart Weitzman Styling Suite Showcasing the 2010 Red Carpet Shoe Collection.
Christian Bale at LGO in Santa Monica with his wife and daughter, enjoying the “Be-A-Man” steak & eggs and banana pudding pie.
Seth Green celebrating his 36th birthday in Las Vegas with 16 friends including his ‘Rat Race’ co-star Breckin Meyer. The recently engaged actor started with dinner at Society Café Encore and then headed over to Blush Boutique Nightclub at Wynn Las Vegas, where he sipped Grey Goose vodka and Patron tequila cocktails.
Leonardo DiCaprio, Bar Refaeli, Dianna Agron, Olivia Munn, Shannen Doherty, Jessica Stroup, Mario Lopez, Minka Kelly, Brittany Snow, Ryan Rottman, Gilles Marini, and Lindsay Price checking out the new A|X Armani Exchange first-ever concept store, on LA’s Robertson Blvd.
The Beverly Hilton Hotel hosting the 11th Annual Children Uniting Nations Awards Celebration Viewing Dinner & After Party presented by TV Guide Magazine & The Hollywood Reporter with celebrity guests Kimberly Caldwell, Debbie Gibson, Chaka Khan & Freda Payne, Rosanna Arquette, Noah Cyrus, Emily Grace Reaves, and BooBoo Stewart.
Sam Worthington donning Orgreen Eyewear lightweight titanium glasses while schmoozing in Hollywood.
Miley Cyrus at the What Goes Around Comes Around boutique in LA with her puppy and a girlfriend, buying a pair of boyfriend jeans, cut-off denim shorts, and vintage t-shirts.
Kenna, Jessica Biel, Emile Hirsch, Lupe Fiasco, Elizabeth Gore, Simon Isaacs, Melissa Arnot, Michael Muller, Jimmy Chin, Jason Walsh, Dr. Greg Allgood and more attended the premiere screening of their MTV documentary, SUMMIT ON THE SUMMIT: Kilimanjaro at the Tribeca Grand Hotel.
Whitney Port eating with her family, and Nick Zano and Haylie Duff eating together at Taverna Tony’s in Malibu, California.
Leonardo DiCaprio in sunglasses and a hat in the Beverly Hills Hotel lobby, and Mark McGrath having brunch with his family inside the hotel at The Polo Lounge.
Kristin Davis and Sarah Jessica Parker signing director's chairs for charity at the Coca-Cola Refreshing Filmmaker's Award green room during ShoWest at Paris, in Las Vegas, Nevada.
Emmy Rossum, Katrina Bowden, and Whitney Port hanging out at the Ecco Domani Fashion Party at The Ainsworth in New York City.
John Cusack sitting ringside at Golden Boy’s “Boxing After Dark” fight at The Joint inside Hard Rock Hotel & Casino. The actor kept a low profile wearing a pair of jeans, army green jacket, hat and sunglasses.
Kim Kardashian (with Jonathan Cheban in tow), Serena Williams, Lala Vasquez, Miss America Caressa Cameron and New York Giant Kareem McKenzie, showing how much they heart their girlfriend, Kelly Rowland, by coming out to ONE Bal Harbour Resort & Spa on Sunday to celebrate the worldwide launch of Kelly’s new charity, I Heart My Girlfriends. Guests and close friends of Rowland's toasted her latest philanthropic success with cocktails courtesy of GREY GOOSE Vodka at the 5-star resorts View Bar terrace.
Rapper Eve sipping Cafe Bustelo before going on stage to perform at Perez Hilton's 32nd birthday party at Paramount studios.
Mena Suvari, Kate Mara and Krysten Ritter, along with her boyfriend, Ivan Sergei, celebrated Treesje's Spring 2010 Collection at Saks Fifth Avenue in Beverly Hills with designers Laura Darrah and Sheila Nazarian.
Emily Osment taking the stage in celebration of Disney’s Mobile Magic Application on the Verizon's Experience the Magic Tour in PA.
Jay-Z performing in front of a sold-out crowd inside the Pearl Concert Theater at the Palms Casino Resort. Special guests Young Jeezy and Trey Songz also performed with Jay Z. At 4 a.m., Jay Z and Beyonce were spotted having fun in the Mint High Roller gaming lounge inside the Palms Casino resort. They stayed in a two-story sky villa inside the Fantasy tower.
Myaand Cedric Gervais celebrating their new single at the Sebastian Professional/Rock Media Fashion show in Miami.
Hollie McKay has been a FoxNews.com staff reporter since 2007. She has reported extensively from the Middle East on the rise and fall of terrorist groups such as ISIS in Iraq. Follow her on twitter at @holliesmckay