Macklemore and Ryan Lewis made their MTV Movie Awards debut on Sunday live from Sony Pictures Studios in Culver City, Calif at 9 p.m. ET. The duo, known by many for their song Thriftshop, performed their new single Can't Hold Us after being introduced on stage by Ke$ha and Snoop Lion. Joining them on Sunday as performers are Selena Gomez and the cast of Pitch Perfect, who will perform a original musical mash-up.