Mr. "anti-marriage" is changing his tune! Adam Levine and Behati Prinsloo have announced they're tying the knot! The Maroon 5 front man's rep released a statement confirming the great news saying, "Adam Levine and his girlfriend Behati Prinsloo are excited to announce they are engaged to be married. The couple recently reunited and Adam proposed this weekend in Los Angeles." Recently Adam was also linked to Supermodel Nina Agdal, but clearly things change. A source tells US Weekly that he realized he really does love her and she was the one.