Mila Kunis is reflecting on the intense physical and emotional demands she faced while preparing for her role in Black Swan. In a new interview with Vogue, celebrating the 15th an

Ashton Kutcher and Mila Kunis were spotted packing on the PDA while attending a Backstreet Boys concert at the Sphere in Las Vegas on Aug. 2. The pair danced and sang along to the band's romantic 1999 hit 'I Want It That Way.

Actually, “little” might not be the right word here, as the Black Swan star chose a flowy maxi dress with a plunging V-shaped neckline and spaghetti straps holding it up. It was the type of classic design that you can never go wrong with, and Kunis certainly rocked it well.