Some of the best scenes at the Cannes Film Festival (search) have played out on the red carpet.

Former Bond girl Sophie Marceau (search) (1999's "The World Is Not Enough") had a serious wardrobe malfunction Friday as she headed into a premiere. With camera shutters clicking away, her dress slipped down one shoulder, exposing her breast.

Marceau laughed it off gracefully with a Gallic shrug.

Natalie Portman (search) stunned fans Sunday by showing up at the premiere of "Star Wars: Episode III — Revenge of the Sith" with her head shaved for a role in the sci-fi thriller "V for Vendetta."

It was a far cry from the fussy knotted hairdos of her "Star Wars" character, Padme Amidala.

Speakers blasted the sound of Darth Vader's heavy breathing as stars climbed the steps into the venue for the "Star Wars" premiere.

Sharon Stone hammed it up for the cameras by putting her arm around one of the white-armored storm troopers who lined the red carpet.

The actress recently announced that she had adopted a baby boy, Laird Vonne Stone. Stone has a 4-year-old son, Roan.

"I couldn't imagine that it could get better after having the experience of being a mother to Roan," she has told reporters. "But the only thing better than one is two."

She added: "I can do it, and it shows a single woman can do it all."