Kim Kardashian had a few bikini costume changes available as she kicked off Fourth of July festivities in Malibu yesterday. She manned the grill, tested out the water slide, and showed her patriotic spirit at the Sierra Mist beach house. Malibu is one of the top celebrity Fourth of July destinations, and thanks to Kim the bikini bash is most certainly in full swing. She looks fantastic in all her two-piece suits, and if you're killing time before heading to the beach and slipping into your own, don't miss all our Summer coverage and Guess Who beach and bikini quizzes to get you in the spirit!