Olivia Wilde, Ron Livingston, and Jake Johnson step out to a screening and after party for Drinking Buddies; John Stamos, Emmy Rossum, Tyson Chandler, and more attend the Delta Airlines Summer Celebration in Beverly Hills; Vanessa Hudgens, Jojo, Jey Uso show support at the WWE SummerSlam event; Zelda Williams and Paul Sorvino attend the 9th Annual Hollyshorts Film Festival; Leandra Medine launches her Man Repeller collaboration with Superga; Sophie Auster and Spike Jonze celebrate Warby Parker's first west coast store—get caught up on Thursday's festivities with this edition of Last Night's Parties.