The Muppets roll down the red carpet

Muppets and movie stars take over Hollywood.

Kermit the Frog, Miss Piggy and newcomer Constantine joined Tina Fey and Ricky Gervais at the red carpet premiere for "Muppets Most Wanted."

For Fey the partnership was a thrill.

SOUNDBITE: Tina Fey, actress, saying (English):

"It's the best, everyone is a genius, I mean you spend every day and shoot scenes with Kermit the Frog, it's the best."

The movie begins with the entire Muppets gang going on a world tour, selling out packed theaters for their show, but they quickly become embroiled in an international crime capper headed by Constantine, who happens to look exactly like Kermit the Frog.

Gervais plays a 'bad guy' in the film and says he wasn't so much a villain as just a little morally slippery.

SOUNDBITE: Ricky Gervais, actor, saying (English):

"I'm not like a super villain, Constantine is more evil than me, and off screen we bonded as well over our mutual dislike of the pig, she's a nigh