Last night Macklemore and Ryan Lewis performed on David Letterman. No, they didn't do "Thrift Shop." Here's some footage of the duo, along with Ray Dalton, performing "Can't Hold Us."
Video | February 1, 2013
Macklemore & Ryan Lewis Perform on Late Night with David Letterman (Video)

Last night Macklemore and Ryan Lewis performed on David Letterman. No, they didn't do "Thrift Shop." Here's some footage of the duo, along with Ray Dalton, performing "Can't Hold Us."