Lady Gaga shows off her taut rear end at a London concert Sunday night.
The Just Dance singer, with her rippling abs, looks like she has been getting plenty of exercises lately.
The LoveGame singer is number one, according to her fan base.
The lady in red (and spikes) shows off her lovely lady lumps.
The Poker Face beauty is emerging as a modern-day Madonna in 2009.
The sweaty singer ends the show on the stage with her troupe of musclemen.