Efron cozies up to a pet pooch in Aspen, Colo. Plus: Britney Spears, Mariah Carey, Heidi Klum and more
Credit: Humberto Carreno/Startraks
Published: Monday Dec 21, 2009 | 05:00 PM EST
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After spending Wednesday with mom Ashlee Simpson-Wentz, 1-year-old Bronx assumes a favorite position – on his daddy Pete Wentz's back! – during an afternoon stroll Thursday in New York.
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