Kim Kardashian [1] turned heads when she arrived at the Casamigos Halloween [2] party in LA on Friday night dressed up as the legendary Cher [3]. The reality star, who has referred to Cher [4] as her "fashion icon" in the past, paid homage to the Believe singer by re-creating her yellow embellished, two-piece look [5] at the 1973 Oscars. Kim's best friend, Jonathan Cheban, also dressed up as Cher's ex-husband, Sonny Bono. On Saturday morning, Cher complimented Kim's sexy costume [6] on Twitter, writing, "Woke To See You Are Me 4 🎃 You Look BEAUTIFUL Little Armenian Sister💋" Scroll through to see more photos of Kim's costume, then look back at her other most memorable Halloween costumes [7] over the years.