" kicked off live shows, with host Christina Aguilera
appearing in a stunning, curve-hugging dress. That wasn't the only fashion "do" of the week: The nostalgic "One Tree Hill
" series finale saw Haley and Brooke clad in trendy sweaters and necklaces and Amanda looked quite angelic in white on "GCB," a far cry from last week.
Unfortunately, some of our other TV favorites didn't fare quite as well. Karen (Katharine McPhee
) pranced ...