The stars were out and ready to shine, in everything from glam gowns to the latest casual chic, at the 2006 MTV Movie Awards in Los Angeles. But love was definitely not in the air. Sandra Bullock, Rebecca Romijn, Kates Bosworth, Hudson and Beckinsale, and show host Jessica Alba left their husbands and boyfriends home when walking the blue carpet. And guys went solo too — Justin Timberlake and Zach Braff were without respective squeezes Cameron Diaz and Mandy Moore. While TomKat mania reigned last year, this time out it was all about on-screen couples from nominated and new summer movies. Take a look...