The actors star in Warner Bros.' sequel to the hit 2012 film about male strippers, which hits theaters on July 1.
They weren't the only Hollywood stars to make the scene for the festivities this weekend.. Cast members from TV shows "Transparent," "The Fosters" and "Chasing Life" also appeared.
The festivities began Friday with a party in West Hollywood Park at which late-night comedian James Corden made a surprise appearance, Angel Haze, Dina Nina Martinez and Ivy Levin performed.
On Saturday, Kesha and Wilson Phillips, along with Wrabel and Tinashe, Frankie Grande and Lily Collins. On Sunday, Becky G, country singer Ty Herndon, Who is Fancy and Eden xo were scheduled to perform. "Real Housewives of Beverly Hills" star Lisa Vanderpump, who owns popular West Hollywood lounges PUMP and SUR, as well model Shaun Ross were also scheduled appear.
See photos of the "Magic Mike XXL" stars from Twitter here:
See Instagrams below of Channing, Matt and company: