Brad Pitt, Angelina Jolie, Jennifer Garner, Pharrell Williams, Mark Wahlberg, and other Hollywood stars attend the Governors Awards; David Spade, Jimmy Kimmel, and Aziz Ansari are among the many funny men and women at Variety's Power of Comedy benefit; Julie Bowen, Jason Bateman, Joel McHale, and more enjoy a day of family fun at P.S. Arts Express Yourself—catch up on L.A.'s busy weekend with this edition of Last Night's Parties.