Meghan Trainor Brings Fan on Stage on Next Week's 'Knock Knock Live'

Meghan Trainor gives her fan a hug while hanging out backstage at her concert in these new stills from the next episode of Knock Knock Live, which no longer has an air date following the show’s cancellation.

The 21-year-old “All About That Bass” singer is just the latest star to participate in the show.

In case you missed it, watch Justin Bieber‘s appearance in the last episode!

Knock Knock Live travels across the country, to any city at any time, surprising unsuspecting people at their front doors with a chance to win big cash prizes, meet their favorite celebrities and turn their wildest dreams into reality.

10+ pics inside of Meghan Trainor on Knock Knock Live….