The youngest Jonas Brother takes a b-day walk with his pup in Toluca Lake, Calif. Plus: Britney Spears, Gwyneth Paltrow, Lindsay Lohan and more

STYLE STAR

The sidewalk is her runway! Tyra Banks works her best supermodel pose as she makes a glam entrance Monday at Cosmopolitan's Fun Fearless Phenom Awards in New York City, where the America's Next Top Model host was honored for her style.