Happy Birthday, Sara Paxton!

Sara Paxton gets glammed up in an LBD as she celebrates her 21st birthday at Prive nightclub inside the Planet Hollywood Resort Casino in Las Vegas on Friday evening (May 8).

The Last House on the Left actress celebrated with a few gal pals and new costars Ben Hollingsworth and Jordan Woolley.

Sara, Ben and Jordan all star in the CW’s upcoming The Beautiful Life, a drama centered on models living together in a co-ed residence in New York. The series also stars former HSM star Corbin Bleu.

10+ pics inside of Sara Paxton…