Rumer Willis & Mischa Barton Have A 'Night' At 'Nylon's Muses & Music Party!

Rumer Willis and Mischa Barton rock fierce ensembles as they hit the red carpet at Nylon’s Muses & Music Party held at No Vacancy on Tuesday (February 9) in Los Angeles.

The 27-year-old actress and Mischa, 30, were joined at the event by Pitch Perfect‘s Alexis Knapp, Mark Ballas and his fiance BC Jean, Sterling Beaumon, Madeline Zima, David Foustino, and singer ZZ Ward.

PHOTOS: Check out the latest pics of Rumer Willis

“Oh What A Night….,” Rumer captioned with her Instagram post, including Mischa and their two friends Sammi Rotibi and Brian Justin Crum.

35+ pictures inside of Rumer Willis and Mischa Barton at the Nylon party…