Z100's Jingle Ball Show

Image has been converted to black and white.) Gwen Stefani (L) and Pharrell Williams perform onstage during iHeartRadio Jingle Ball 2014, hosted by Z100 New York and presented by Goldfish Puffs at Madison Square Garden on December 12, 2014 in New York City.
(Dec. 11, 2014 - Source: Kevin Kane/Getty Images North America)