Making for quite the reason to celebrate, Justin Bieber attended the wedding of his musical director/guitar player Dan Kanter to fashionista Yael Latner at the Four Seasons Hotel in Toronto on Sunday (October 3). Wearing a yarmuckle atop his head with a vest, dress shirt, and glimmering trousers, the "Baby" singer was joined by his mom, Pattie Mallette. As for the reception, guests were treated to a dinner of caramelized onion soup and a choice of Miso Glazed Halibut with Soya Beurre Blanc or Veal Tenderloin with Mushroom Ragout. Once filled up, Bieber and the rest of the guests hit the dance...