Eva Longoria has looked nothing but spectacular [1] while in France for the Cannes Film Festival, but we bet her favorite moment hasn't been walking the red carpet in those stunning gowns, but dancing, singing, and partying with a group of supermodels. Eva hung out with Karlie Kloss, Doutzen Kroes, Soo Joo, and Barbara Palvin at the finale of The Brush Contest [2], L'Oréal Paris's online makeup artist contest. Behind the scenes, Eva and the models goofed around lip-syncing to Sir Mix-a-Lot's "Baby Got Back," snapped photos for Instagram, and celebrated the actress's 10th anniversary with the beauty brand. Keep reading to see pictures and videos of all the shenanigans.