Courtney Love joined Billie Joe Armstrong‘s covers band The Coverups onstage in London again last night (March 1) where she delivered a joint performance of Hole‘s ‘Celebrity Skin’ – watch below.The Green Day side-project – famed for their impromptu gigs with renditions of rock and punk staples – played a 25-song set at the 100 Club on Oxford Street yesterday after taking to the stage at The Garage in Islington on Tuesday (February 27), per Setlist.FM.Love made a surprise appearance at the first show, assisting Armstrong and co. on covers of Tom Petty‘s ‘Even The Losers’, and Cheap Trick’s ‘He’s A Whore’ and ‘Surrender’.