see more

LOS ANGELES, CA - DECEMBER 05: Singer Meghan Trainor attends KIIS FM's Jingle Ball 2014 powered by LINE at Staples Center on December 5, 2014 in Los Angeles, California.(Photo by Jeffrey Mayer/WireImage)

LOS ANGELES, CA - DECEMBER 05: Singer Meghan Trainor  attends KIIS FM's Jingle Ball 2014 powered by LINE at Staples Center on December 5, 2014 in Los Angeles, California.(Photo by Jeffrey Mayer/WireImage)