Dua Lipa launched her blockbuster new single Houdini last night in spectacular style, taking over London’s English National Ballet to host a party for eager fans to get an early first listen.Lipa had promoted the launch party on her social media channels, encouraging fans to sign up on her website for a chance to scoop an illustrious invite.The party was of course a huge spectacle of hints and mystery, with a huge countdown clock counting down the hours, minutes and seconds until the music video would be played for the first time.