The 37-year-old Frozen actress and the 34-year-old That ’70s Show star teamed up for the event, which was taped on Saturday (June 16) at Barker Hangar in Santa Monica, Calif.
Kristen stunned in a black cut-out dress, while Mila rocked a white shirt with red and white pants.
Be sure to check out pics of Kristen on the red carpet here!
FYI: Kristen is wearing a Julien Macdonald dress, Charlotte Olympia shoes, and Tiffany & Co. earrings.
30+ pictures inside of Mila Kunis and Kristen Bell at the show…