Hef's Twins' Hair 'Too Over-Processed' for Charitable Donations | Chace Crawford Boasts About Sleeping With the Editor Of Cosmo, Bradley Cooper Cries in Coffee Shops and Maria Menounos Says Size Matters | Pamela Anderson’s High-fashion Wardrobe Malfunction | Paris Hilton Is Forever 28 | Pop Tarts Scene & Herd

Hef's Twins' Hair 'Too Over-Processed' For Charitable Donations

Hugh Hefner's twin girlfriends may seem perfect, but their bleached blonde hair was recently deemed "too overprocessed" to be donated for charity.

The revelation about the poor-quality locks of Karissa and Kristina Shannon comes after 2008’s "Playmate of the Year" Jayde Nicole established her own charity "Lengths for Love," and encouraged other playmates to donate their hair toward raising cancer awareness.

Nicole has enlisted the help of dozens of playmates and bunnies from all eras to "hop" into the project too. Just one major problem — hair that has been bleached can’t be used to make wigs and well, that pretty much cuts out 95 percent of the Playboy population — including the twins.

"The twins (Hef’s new girlfriends) can’t actually donate their hair, the hair used has to be healthy enough to be retreated and not too over-processed," Nicole told Tarts. "So we’re doing lots of fundraisers and events as well that everyone (including her PMOY predecessor Sara Jean Underwood, Hef’s former flame Holly Madison and his current number one Crystal Harris) can be involved with. Hef is supporting it too; he’s a huge fan of charities."

Nicole said that sometime over the summer the men’s magazine mogul even hopes to open the iconic Mansion for a party to raise funds for the cause. The starlet’s beau Brody Jenner also wanted to play a big part in "Lengths For Love" - but it was she who decided that that might not be so lovely.

"Brody wanted to grow his hair long but I had to tell him that wasn’t such a good idea and that there was far more beneficial things he could do," she admitted with a laugh.

But when she’s not tending to her hot head of hair, the brunette babe is busy bouncing around her current residence which is Hef’s Bunny House, filming The Hills with Brody (she said she loves the never-ending drama) and is getting ready to hand over her tantalizing title to the next lady in line.

"Everyone keeps asking me if I’m sad (to relinquish the title) but I’m actually really excited," she added. "It has opened so many doors and there is so much opportunity for me at the moment. I am so excited for the new girl, it's going to change her life."

Chace Crawford Boasts About Sleeping With The Editor Of Cosmo, Bradley Cooper Cries In Coffee Shops And Maria Menounos Says Size Matters

Ten of Tinseltown’s finest men (and one woman, Heroes hottie Ali Larter) were honored for their "Fun & Fearless" nature at the Annual Cosmopolitan Magazine party at new Beverly Hills hotel SLS last Monday night. But did Chace Crawford did have too much fun before the bash even began?

"Now I get to say I slept with the Editor of Cosmopolitan!" the Gossip Girl actor exclaimed inside the star-studded soiree. Hang on — what the? As it turned out, Crawford had taken the same red eye flight from NYC as Cosmo’s Editor-in-Chief Kate White and the ride was totally G-rated. Phew.

Honoree Bradley Cooper also opened up at the event, telling Tarts that he is always crying in front of females off set, and that’s what makes him fearless.

"I was in a coffee shop the other day reading a script and just started crying, I had to hide my face," he admitted. (Actually, we were sitting right beside him at West Hollywood’s Café Primo as the He’s Just Not That Into You star read thru the tear-jerking potential role.)

Access Hollywood beauty Maria Menounos hosted the lad-laden event and as it turns out, size matters when it comes to her male preference.

"Guys can be any size, well actually not too little," she told us. "We can go bigger. Bigger is good. The more to love."

On the flipside, Menounos said she herself has dropped ten dress sizes over recent years and prefers life on the petite side.

"I study Gamika which is an Israeli martial arts, I walk my dogs and I have a gym and get on the treadmill," she said. "I play basketball too; I just try to keep it fun and light. I wasn’t huge, but I was a size 14 so I'm a 4-6 now. It's a big deal."

Pamela Anderson’s High-fashion Wardrobe Malfunction

Pamela Anderson is famous for her girly assets, but even she was left a little red-faced when she couldn’t seem to keep them under control during an appearance at Paris Fashion Week on Friday.

The former Baywatch blonde gave the audience quite the eyeful after roaming the runway of Vivienne Westwood’s show when her top slipped as she congratulated the designer at the show’s conclusion. Anderson managed to laugh it off — after all, it certainly isn’t the first (and probably won’t be the last) time she flashes the flesh for a room full of strangers.

Paris Hilton Is Forever 28

Seriously, how many times can one person turn 28? Paris Hilton has celebrated her birthday (which was Feb. 17) a zillion times already with a bash at NYC’s Butter, a private "Pink" party at her Hollywood Hills home, a dinner with her sis at La Esquina, a celebration at L.A’s Bar Deluxe and has now just spent the weekend at Sin City’s Hard Rock Hotel & Casino for two days worth of "official" celebrations.

Hilton and her new Hills beau Doug Reinhardt didn’t leave each other’s side the entire time and put on quite the performance of kissing and touching as they were given the VIP treatment everywhere they went from the Poker Room to AGO to Nobu to nightclub Body English. The party princess even gave a big shout out to Reinhardt, declaring him "the sexiest man in the world."

Psst, Tarts has also been told that just prior to hooking up with Paris, Reinhardt’s peeps were snooping around for a high-profile starlet that could boost his career. So if that’s the case, he hasn’t done too badly with the pap-popular hotel heiress. …

Pop Tarts Scene & Herd

Whitney Port spotted snuggling up to beau Jay Lyon at STK in Los Angeles on Tuesday night to celebrate her 24th Birthday. Across the room Adrian Grenier, (in a hoodie and jeans) sipped Grey Goose with his 8 oz filet (he was even overheard telling friends that he will only eat meat if it's organic, free-range and hormone free.) David Arquette also dined with a bunch of boys while Paris Hilton and her current squeeze Doug Reinhardt enjoyed dinner before heading next door to club Coco De Ville.

Michael Stipe of REM, Unique, Richie Rich and Ally Hilfiger attended photographer Jeremy Kost's exhibit, "After the Party," opening at Dactyl Foundation in New York City on Tuesday.

Lucy Liu spotted with two friends finishing off her meal with a slice cheesecake at the Palm Tribeca in New York City on Wednesday night.

Lauren Bush seen eating with two girlfriends at NYC's Artisanal on Wednesday night (while her grandma was having open heart surgery.)

Paris Hilton, Amanda Bynes, Whitney Port, Brody Jenner and Jayde Nicole all got the VIP treatment at Hollywood hotspot MyHouse on Wednesday night.

Reformed rehabber Sean Stewart spotted partying alongside Russell Simmons and Tommy Hilfiger at Paper Magazine's Marky Ramone Rock Scene Collection Launch in NYC Wednesday night. Model Julie Henderson was also seen hanging out with pals when Simmons came over and asked why she hadn't returned his calls. Henderson shrugged him off, he stormed off but apparently the two left together.

Josh Hartnett seen in the lobby of West Hollywood's Chateau Marmont on Thursday afternoon.

Solange Knowles and Estelle sang at the Mezzanine in San Francisco on Thursday night as part of their Honeymag.com tour together.

Green Day, Belinda Carlisle and Yeardley "Lisa Simpson" Smith all dining (separately) at West Hollywood's Nobu on Thursday night.

"Idol" Top 13 finalist, Megan Corkrey, seen picking out a Danielle Stevens wood and beaded necklace with a stylist before attending the Finalist party at AREA in Los Angeles on Thursday.

Kim and Khloe Kardashian as well as Maria Menounos partied with Old Navy’s Supermodelquins at GUYS nightclub in LA on Thursday night to celebrate the clothing company's new advertising campaign.

Celebrity Apprentice's Annie Duke, Danica Patrick & Brad Garrett attended NBC's National Heads Up Poker Championship at Caesars Palace, Las Vegas on Thursday. PIC

Lindsay Lohan keeping a low-profile at Hollywood club Bardot on Friday night.

Elizabeth Banks noshing away at Strip House inside Planet Hollywood Resort & Casino in Vegas Friday night.

Molly "Olly Girl" Shea celebrated her 23rd birthday at Tabú Ultra Lounge in MGM Grand on Saturday night. Also spotted in the Sin City Hotel was Bow Wow celebrating his 22nd Birthday alongside Jermaine Dupri at Studio 54.

Tom Arnold enjoying his tea at Dr. Tea's Teagarden on Melrose Sunday afternoon.

Alice Cooper introducing his wife to "Jane’s Addiction" frontman Perry Farrell at the John Vervados/Converse "Bring Your Heart to Our House" Stuart House Benefit bash on Sunday.