Katie Holmes: Beverly Hills Party Gal!

Katie Holmes rocks a black Holmes & Yang jumpsuit as she leaves a private party on Thursday (February 21) in Beverly Hills, Calif.

The 34-year-old actress headed back to her car after the soiree was over for the evening.

PHOTOS: Check out the latest pics of Katie Holmes

Earlier that day, Katie flew into LAX Airport from JFK Airport in New York City to spend some time on the sunny west coast!

10+ pictures inside of Katie Holmes all glammed up in a jumpsuit for a private party in Beverly Hills…