Nazem Kadri and Tyler Bozak each contributed a goal and an assist for the surging Leafs, who racked up a third straight win and ninth in 11 games.
Chris Neil compiled two goals and an assist for the Senators, whose two-game winning streak was snapped.
Colin Greening contributed a goal and an assist.
Craig Anderson was lit up for five goals on 36 shots.
Celebrity Breakups and divorces of 2014 [PHOTOS]