Mouths froth and hands grab in Lydia Pettit and Olivia Sterling’s Bitches in Heat, a raucous, untamed exploration of desire on the margins. Pettit, inspired by Paula Rego’s iconic dog women, crawls across the floor in one sweeping canvas, with sharp, talon-like nails and bared teeth. Sterling depicts a pair of legs playfully dangling through the ceiling above directions for the ladies’ room, as a hand passes a retro cocktail from the corner of the canvas. Their appetites, symbolised through Sterling’s use of food and Pettit’s feral self-portraits, are at times unapologetically animalistic, challenging the limited contemporary cliches of who is desired – and how. Inspirations verge from the ominous shadows of ‘The Evil Dead’ to the bawdy humour of…