Justin Bieber attends Dan Kanter's wedding

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