Top 5 selling singles on iTunes

Top 5 selling singles on iTunes:

• “Grenade”: Bruno Mars

• “Firework”: Katy Perry

• “The Time (Dirty Bit)”: The Black Eyed Peas

•“We R Who We R”: Ke$ha

• “What’s My Name?”: Rihanna & Drake

“The People’s Choice Awards” (8 p.m., CBS): Queen Latifah hosts the “37th Annual People’s Choice Awards,” which honor fan favorites in TV, movies and music. In other words, it’s yet another chance to heap praise upon celebrities who really don’t need it.