Selena Gomez, Jimmy Fallon Sing a Mario Kart Love Ballad

There's only one man for Selena Gomez — and it's definitely not Justin Bieber. It's Mario (of Mario and Luigi), who else?

Tuesday night, the Spring Breakers star donned a fake mustache and a Princess Peach crown and crooned a love song with Jimmy Fallon (dressed as Mario, himself). The two sang a cover of Sam Hart's "Mario Kart Love Song," which chronicles the passion between a toad and a princess as they dodge blue shells together on Rainbow Road

Gomez has been making lots of late night news lately. On Monday night, she admitted to David Lettermen that she once had Justin Beiber in tears