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

HIS SWEET 16

Brother Joe got a motorcycle and sidecar for his 19th birthday, but what did Nick Jonas get for his 16th? The youngest JoBro – who recently said he'd be open to a romance with a non-famous fan – spends his b-day Tuesday in low-key style by taking a walk with his pup near his Toluca Lake, Calif. home.