Minutes after revealing her wedding plans backstage with Billy Costa at the Kiss 108 Jingle Ball...
Meghan Trainor And Daryl Sabara's Backyard Wedding Is Happening 'Soon'
... and one quick costume change later, Meghan Trainor lit up the stage at the TD Garden.
Decked out in a dazzling black santa suit and fuzzy trimmed hat, the "Let You Be Right" singer sashayed her way into our hearts.
Keep dancing, darling! 💃
Photo: Getty Images