The ?Slumdog Millionaire? stunner looked fabulous at the Palais des Festivals event in a mesh and sequin embellished black floor length gown that popped with a sexy high slit up the leg as she posed on the celeb-filled red carpet.
Miss Longoria also pulled off her second look of the day in a Greek Goddess inspired floor length white and black gown that was covered in a black mesh overlay as she gave a smile to the awaiting photographers.
After making her arrival to the exciting event, the "Desperate Housewives" actress tweeted photos and updates including, ?Just landed at Cannes, ready for 3 exciting Electric days at the Festival with L'Or�al Paris! @insideloreal." The brunette beauty added, ?Just arrived at the red carpet #Cannes2012 signing autographs!?
Both actresses are attending the annual event as L?Oreal Paris brand ambassadors.