Rumors are flying that the recently single Jennifer Lopez has already moved on from Casper Smart and has started dating Dancing with the Stars pro Maksim Chmerkovskiy! "He danced with her at the [American Music Awards last November] and they kept in touch," a friend of the singer's tells PEOPLE. Says another source who knows both Lopez and Chmerkovskiy: "They are friends and have been talking." - Read More On J. Lo's New Man