Butter stars Jennifer Garner and Olivia Wilde prettied up the Weintsein Company party at Soho House, along with Gerard Butler, Juliette Lewis, Abbie Cornish and Ralph Fiennes, while Joseph Gordon-Levitt pulled triple duty, hitting up the Summit Entertainment after-party for his new film, 50/50, the Entertainment One party and HitRECord at the Movies, a special festival screening organized by his website, HitRECord.org.

Mongrel Media took over the Distillery District’s Boiler House – and everything around it – for a massive fete Monday night to toast its slate of films, including Sarah Polley’s Take This Waltz, Gus Van Sant’s Restless and Pedro Almodovar’s the Skin I Live In.

The Trailer Park Boys worked the room, filming for their new series and drawing plenty of fan attention, while K’naan and Machine Gun Preacher star Souleymane Sy Savane were also spotted.

Celebrating W.E.
On Monday night Madonna threw an exclusive dinner party at the Soho Grey Goose House for 20 people, including W.E. cast members Andrea Riseborough, Abbie Cornish and eOne executives.