Kristin Cavallari Makes Her Debut As Bikini Model - In Shards Of Glass!
July 15 2011, Published 5:15 a.m. ET
By Leah Ornstein - Breaking Celebrity News Style & Beauty Editor
It was a big day for bride-to-be Kristin Cavallari at Mercedes-Benz Fashion Week Swim, who not only crawled down the catwalk in