by Leyla MohammedBuzzFeedBuzzFeed StaffAs a Celebrity Reporter, I cover everything from fashion and award shows to TV, film, and cultural conversations. This is Adam Levine. Daniele Venturelli / Getty Images You probably know him best as the frontman of the band Maroon 5. Kevin Kane / Getty Images Of course, he also famously coached on The Voice for 18 seasons, and is actually set to return for Season 30 - roughly seven years after he stepped away from the NBC talent show.