1. Meghan Trainor Dethrones Taylor Swift on Billboard Artist 100

    January 22, 2015 12:10 PM EST As her album 'Title' tops the Billboard 200, Trainor is the top artist in the country for the first time since October. Meghan Trainor takes over as the top artist in the U.S., bounding 6-1 on the Billboard Artist 100 . She dethrones Taylor Swift (1-2), who's reigned for a…