Honestly, doesn't this woman own a bra?
After appearing on Jimmy Fallon's US chat show, Gaga wandered around New York looking for a bite to eat in an uber-revealing Alexander Wang dress.
Cue many stunned looks and over-excited fans who began filming the singer and begging her for autographs.
The 27-year-old finished off her look with a feathered headdress and extra long platinum-blonde weave, not that you'd notice.
Watch Gaga perform 'ARTPOP' on 'The Tonight Show Starring Jimmy Fallon' below...