For an artist whose world seems stitched together from silver-screen glamour, smoky jazz clubs and the afterglow of heartbreak, Luvcat – the stage name of Liverpool-born Sophie Morgan Howarth – is every bit as cinematic live as her debut album Vicious Delicious suggests. At KOKO, Camden on Wednesday night, the rising star turned the storied venue into a dreamscape of old Hollywood, haunted romance and camp theatre – a show that was equal parts cabaret, confession and carnival.