2021 MTV VMAs rocked Brooklyn, New York's Barclays Center Sunday night, but the show wasn't just about the show-stopping performances! Some of our favorite superstar couples hit the red carpet at this year's awards show where they served some serious looks and packed on the PDA.From Travis Barker and Kourtney Kardashian to Swizz Beatz and Alicia Keys, check out the night's cutest couples.Machine Gun Kelly and Megan Fox couldn't keep their hands off each other as they posed for pictures along the