The 'Poker Face' star resurfaced on Twitter to share the naked photo with fans as part of her ARTPOP album campaign.
"1ST SINGLE FROM ARTPOP COMES AUG.19 #24DAYS," GaGa tweeted alongside the image.
The single is widely rumoured to be called 'Applause' after the 27-year-old teased a photo of the artwork earlier this week.
She will perform the track at the 2013 MTV Video Music Awards at the Barclays Centre in Brooklyn, New York on Sunday, August 25.
The new song serves as the lead single from her forthcoming third album ARTPOP, which will be released on November 11.
Watch Lady GaGa's 'Bad Romance' video below: