Today’s celebrity rundown (11 photos)

‘The Twilight Saga: Breaking Dawn Part 1′ premiered in LA last night. Robert Pattinson, Kristen Stewart, Taylor Lautner, Ashley Greene, and Kellan Lutz showed off their good looks and smiled for the cameras.

Nikki Reed and Elizabeth Reaser also sparked a lot of attention at the premiere.

Mariah Carey and John Legend hung out on set of When Xmas Comes, a remake of the holiday tune originally appearing on Mariah’s 2010 album Merry Christmas II You.

‘The Rum Diary’ actress Amber Heard is on the December 2011 issue of Women’s Health. I have a feeling we’ll be seeing more of her in the future.

Scoring multiple covers lately, Freida Pinto can now add another magazine to her resume. She graced the cover of Elle South Africa.

Hilary Duff posed with husband Mike Comrie at The Beauty Book For Brain Cancer launch in Hollywood last night. What do you think about her bright yellow/tight dress?

Kristen Stewart gets lacy for the December issue of Glamour Paris.

So how did Michelle Williams gain weight for the upcoming film ‘My Week with Marilyn’? She said, “I wasn’t watching what I ate, let’s put it that way.” Find out more at the source.

On set of ‘Gossip Girl,’ Leighton Meester runs through NYC in a wedding dress. Now that would be a fun adrenaline rush.