Efron cozies up to a pet pooch in Aspen, Colo. Plus: Britney Spears, Mariah Carey, Heidi Klum and more

BROWN BAG IT

Is that a briefcase? Matthew McConaughey keeps it business casual during a brisk walk in Santa Monica, Calif., Friday. The actor and girlfriend Camila Alves are expecting their second child in the coming weeks.