Lady GaGa delighted partygoers in Las Vegas this weekend (25-27Mar11) when she staged an impromptu performance at a local nightclub ahead of her scheduled tour stop in Sin City.
The Poker Face hitmaker decided to give revellers at Planet Hollywood hotspot Krave a brief preview of her Monster Ball trek in the early hours of Saturday (26Mar11) by hitting the stage to sing her hit song Born This Way.
Gaga belted out the track dressed in a skin-tight leopard-print top and sheer mesh shorts, exposing her G-string underwear, but fans weren't put off by her revealing outfit and helped the singer celebrate turning 25 by singing Happy Birthday to her, ahead of her big day on Monday (28Mar11).
The star's surprise appearance came hours before her concert at the Mgm Grand that night.
Gaga wasn't the only pop superstar treating fans to a special gig in Vegas this weekend - Britney Spears staged a surprise show at Rain Nightclub in the Palms Casino & Resort on Friday (25Mar11).