Lady Gaga is gearing up for her performance at the Olympics opening ceremony ... cramming in one last rehearsal before the big show.
The singer was seen practicing her number for the highly-anticipated performance ... as she was photographed singing on golden steps alongside the Seine in Paris. Gaga pulled out all the stops for her gig, too ... as she performed in a chic all-black ensemble next to dancers and a full jazz band decked out in similar monochromatic looks.
Gaga and her dancers rounded out the choreography by integrating over-the-top pink feathered fans .