Justin Trainor
Family Member
Known as the younger brother of pop superstar Meghan Trainor; he is also a music producer.
He grew up in Nantucket, Massachusetts.
Though he does not use social media, he did create a Twitter and Instagram account with the username jtrain12496.
He and his siblings were born to parents Kelli and Gary Trainor.
He has an older brother named Ryan Trainor.