The pregnant Poosh founder appeared to poke fun at her past on-air feud with Kim Kardashian by dressing up like the SKIMS founder, as seen in photos posted on Instagram Oct. 27. And she didn’t pick just any one of her sister’s looks, she chose one of her most iconic—and most mocked: Her first Met Gala outfit, a floral, high-neck, long-sleeved gown with a thigh-high split by designer Riccardo Tisci for Givenchy.