Meghan Elizabeth Trainor (born December 22nd, 1993- ) is an American singer-songwriter and television personality, who rose to fame in 2014 with her debut single "All About That Bass" which reacher Number 1 on the Billboard Hot 100 and sold over 11 million copies, after which she won the Grammy Award for Best New Artist. Since then she has released five studio albums and various other accolades
Meghan served as a mentor for the Top 10 for Season 22 of American Idol.