Leighton Meester: 'That's My Boy' Premiere!

Leighton Meester attends the premiere of her new film That’s My Boy at the Regency Village Theatre on Monday (June 4) in Westwood, Calif.

The 26-year-old actress wore a Versus Fall 2012 black and blue tie-die dress, Jimmy Choo shoes, a Versace clutch, Neil Lane earrings, a Samira 13 ring, and a Pomellato bracelet.

After the premiere, Leighton rushed down to Anaheim to perform the final stop on her short west coast tour with Check in the Dark.

That’s My Boy, also starring Adam Sandler and Andy Samberg, hits theaters on June 15!

10+ pictures inside of Leighton Meester at the That’s My Boy premiere…