Mila Kunis and Ashton Kutcher took a break from their parental duties and popped up at the Billboard Music Awards in Las Vegas on Sunday evening. Mila, who's been busy promoting her latest film, Bad Moms, dressed to the nines in a gorgeous sparkly dress and struck a handful of stunning poses alongside her costars Kathryn Hahn and Kristen Bell on the pink carpet. While Ashton did not join Mila outside, he did link up with her inside, where he also met up with Mark Cuban, Kate Beckinsale, among other stars. Similarly, the actress posed for a series of fun pictures alongside Lucy Hale and Jessica Alba. Take a look at all the stunning arrivals from the night.