Screen Actors Guild Awards 2014

And the Award for Biggest Partygoers Goes to ...

Jared Leto, Julia Louis-Dreyfus, Brad Pitt and more of the night's big winners celebrate into the after-hours

LOUD & PROUD

Escorted by the "hottest date in town," Leto makes the rounds at the PEOPLE/EIF party with his mother, Constance, and his newest accessory.