Adam Levine has allegedly cheated on his wife Behati Prinsloo. 💔 An Instagram model named Sumner Stroh came forward to make the claim after a friend of hers attempted to sell screenshots of her conversations with the Maroon 5 lead singer to the tabloids. Swipe to check out the alleged affair as detailed by Sumner Stroh. . . . #harpersbazaarsg #AdamLevine #Maroon5 #BehatiPrinsloo #Affair #Marriage