Lady Gaga whose real name is Stefani Germanotta. Earlier in the evening met Prince Harry before performing at the one-off concert which was in aid of WellChild. And in typical Gaga style, the singer headed out onto the streets of London in the most outrageous outfit she could rustle up.
The 29-year-old pop star with her collaborator Tony Bennett painted the town red stopping traffic at intervals as she revealed most of her assets in a beaded fishnet dress, high-waisted black briefs and sequinned nipple pasties. More photos below...
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