Kate Walsh & Rumer Willis: 'Perks of Being a Wallflower' Premiere!

Kate Walsh and Rumer Willis arrive at the premiere of The Perks Of Being A Wallflower held at the Arclight Cinerama Dome on Monday (September 10) in Hollywood.

The 44-year-old Private Practice actress and Rumer, 24, were joined by her boyfriend, actor Jayson Blair, and Shailene Woodley.

PHOTOS: Check out the latest pics of Kate Walsh

“The Perks of Being a Wallflower premieres in LA tonight! Sooooo excited!,” Kate wrote on her Twitter account. “I know u all will love it.”

FYI: Kate is wearing a Stella McCartney dress.

10+ pictures inside of Kate Walsh, Rumer Willis, and others at the premiere of Perks of Being a Wallflower…