If you thought Beyoncé was done with the Halloween [1] surprises, think again. On Monday, the singer shared a handful of Instagram pictures [2] of herself and husband Jay Z dressed up as the black Barbie and Ken. Blue Ivy also made an adorable appearance, rocking a black spray-painted leather jacket, a sparkly purple skirt, and sneakers. To say that they nailed their costumes is an understatement, so we'll just let the photos speak for themselves.