Celebrating the TIFF premiere of the film Stronger, Jake Gyllenhaal arrived to the after party at Soho House last night on September 8, 2017. The film centres on the memoir of Boston marathon bombing survivor Jeff Bauman (pictured above). We sipped on cocktails and nibbled on bites while admiring how Jake looks the same as he does on the big screen. He was all smiles as he mingled with guests. We spotted Tatiana Maslany greeting him and take a photo…