Discover the best fashion and clothing worn by Karen Alvarado (Ignacia Allamand) in Knock Knock.
It's the picture of domestic bliss for Evan (Keanu Reeves) and his wife Karen (Ignacia Allamand), an elegant, suburbanite in simple cotton tees. But when two strange women show up, Evan gets entangled in a devious plot with bloody consequences. In the horror fantasy Knock Knock, all bets are off when he falls for the charms of scantily clad coeds. Buckle your seat belts for a bloody ride through the cul-de-sac.