Lady Gaga made a surprise appearance at the G-A-Y club night, held at Heaven in London. The star performed her soon to be released promotional single Venus.

The performance stunned club regulars, Paul Karbaron posted on Facebook: “Just saw Lady Gaga live as a SURPRISE act. The performance was INSANE.”

Venus is part of the ARTPOP album that is available to pre-order on iTunes and on Amazon.

Video embedded from Chris Jepson (YouTube)