Watch What Made Meghan Trainor Leave "The Four" Set Crying

Meghan Trainor shares details about her engagement to "the kid from Spy Kids," drops hints about her upcoming third album and dishes on the behind-the-scenes drama on the set of her live talent competition show, The Four: Battle for Stardom.

Don't miss a new episode of The Four: Battle for Stardom, tonight at 7pm on FOX!