The cast of Ten Year was in a celebratory mood last night as they prepartied and debuted their movie at the Toronto Film Festival. The stars, including couples Kate Mara and Max Minghella as well as Jenna Dewan and Channing Tatum, kicked off their evening with a private reception hosted by Grey Goose at the Toronto Soho House. Their movie, which is about a high-school class coming together a decade after graduation, also stars actors like Chris Pratt and Lynn Collins. At the premiere's preparty, we spotted Justin Long chatting up Scott Speedman while Jenna Dewan, in a sexy hot-pink dress, and Channing Tatum made the rounds among the agents, producers, and fellow actors in attendance. Channing and Jenna made the trek to Canada to support the project in between their hectic shooting schedules. She's currently busy working on her soon-to-debut TV show, The Playboy Club, while he's been filming G.I. Joe: Retaliation in Louisiana.