The MTV Video Music Awards, more affectionately known as the VMAs, has always been the fun, slightly--unhinged younger sister of all the awards shows. It doesn't take itself as seriously as the Oscars or the Emmys, and therefore, celebrities are more open to taking fashion risks when it comes to the red carpet (and acting out during the actual awards show itself). From Pam Anderson's iconic 1999 VMAs look with the pink fuzzy Ivy Supersonic hat to Britney Spear's 2001 boa constrictor ensemble,...