Born to Fred and Patsy Levine, he has two brothers named Sam and Michael and two sisters named Lisa and Julia. He dated Victoria's Secret model Anne Vyalitsyna from 2010 until April 2012. He then married model Behati Prinsloo in July 2014. The couple welcomed a daughter named Dusty Rose in September 2016. In September 2017, they announced they were expecting their second child together.
He served as one of the judges on The Voice, where he got into squabbles with fellow judge Christina Aguilera.