It was back to business for Jennifer Lopez on Monday, after a very eventful Grammys appearance the night prior.The songstress, 53, was spotted leaving a dance studio in Los Angeles, where she received a visit from friend and frequent collaborator rapper Fat Joe, 52.It came after the Bronx-born hitmaker appeared to snap at her husband Ben Affleck, 50, during music's biggest night on Sunday.The Love Don't Cost A Thing hitmaker bundled up in an opulent brown fur coat with a wide collar and lengthy pockets.The songstress finalized her look with black sweatpants and chunky brown Timberland boots. Reunited: Jennifer Lopez, 53, was spotted leaving a dance studio in Los Angeles on Monday, after she received a visit from friend and frequent collaborator rapper Fat Joe, 52 Keeping warm: The Love Don't Cost A Thing hitmaker bundled up in an opulent brown fur coat with a wide collar and lengthy pocketsLopez wore her brunette tresses slicked back into a bun, and shielded her eyes from the sun with a pair of oversized shades. The Hustlers star carried a Christian Dior tote in her hand.In order to stay hydrated, she brought a bedazzled white cup with her.Meanwhile Fat Joe rocked a grey sweatsuit and a pair of white and purple Nike sneakers.The musician - born Joseph Antonio Cartagena - accessorized with black sunglasses.The duo have worked with each other on many occasions.