PHOTOS: Summer Red Carpet Roundup

Scarlett Johansson arrives for the European premiere of "The Avengers" at the Vue in Paddington, London. (Reuters)

Brooklyn Decker attends the premiere of "What to Expect When You're Expecting" in New York. (Reuters)

Rihanna arrives at the premiere of the Universal Pictures film "Battleship" in Los Angeles. (Reuters)

Channing Tatum and Matthew McConaughey pose for pictures while promoting "Magic Mike" in Berlin. (Reuters)

Anne Hathaway attends the world premiere of "The Dark Knight Rises" in New York. (Reuters)

Will Smith and his wife, actress Jada Pinkett Smith, arrive for the premiere of "Men In Black 3" in New York. (Reuters)

Charlize Theron poses for photographers at the world premiere of "Prometheus" in London's Leicester Square. (Reuters)

Jessica Chastain arrives for the premiere of "Madagascar 3: Europe's Most Wanted" in New York. (Reuters)

Julianne Hough arrives for the European premiere of "Rock of Ages" at Leicester Square in central London. (Reuters)

Penelope Cruz poses at the premiere of "To Rome with Love" during the opening night of the Los Angeles Film Festival at the Regal Cinemas in Los Angeles, California. (Reuters)

Andrew Garfield and Emma Stone arrive for the French premiere of "The Amazing Spider-Man" in Paris. (Reuters)

Keira Knightley poses at the premiere of "Seeking a Friend for the End of the World" during the Los Angeles Film Festival at the Regal Cinemas in Los Angeles, California. (Reuters)

Blake Lively arrives at the premiere of the film "Savages" in Los Angeles. (Reuters)