When They Say "Dress to Impress," This Is What They Mean

Cate Blanchett certainly found the perfect dress in her scaled Givenchy design when she attended the Cannes premiere of How to Train Your Dragon 2.

While feting Women in Film at the Cannes Film Festival, Lupita Nyong'o shimmered in the label's cutout cocktail dress.

When Chanel treated their guests to a Cruise runway show in Dubai, Freida Pinto dressed for the occasion in Eastern-inspired garb.

Princess Grace couldn't have done it any better! Nicole Kidman picked an aptly regal Armani Privé number for the Grace of Monaco premiere in Cannes.

Charlize Theron knew better than to bring a knife to a gunfight, and she won the A Million Ways to Die in the West red carpet in a knockout Dior design.

At the Grace of Monaco premiere, Zoe Saldana looked breezy and elegant, just like Cannes!

What does a Brit wear to greet the royal family? For Emma Watson, the answer was American heritage brand Ralph Lauren, who outfitted the star in regal separates for the Royal Marsden dinner at Windsor Castle.

Julianne Moore went an unexpectedly edgy route in Louis Vuitton's leather gown at the Mr. Turner premiere. The materials may not have been quintessentially Cannes, but the high-fashion approach represented the festival through and through.

Jennifer Lawrence made a rare departure from Dior and opted for a slinky velvet Jason Wu gown that mimicked the curves of her X-Men: Days of Future Past role.

At the Mr. Turner premiere, Blake Lively's Chanel gown was Cannes at its best: elegant, eye-catching, and intriguing.