HOT GALLERY: The Stars Light Up the Grammys Red Carpet

A smiling and glowing Britney Spears arrived in a whirl of activity with agent/boyfriend Jason Trawick at the 52nd Annual Grammy Awards at L.A.'s Staples Center on Sunday. Along with Brit, Beyoncé, Rihanna, Ne-Yo, Dave Matthews, Colbie Caillat, Katy Perry and Russell Brand, Heidi Klum and Seal, Taylor Swift, Miley Cyrus and more showed up!