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Stars' Secret Trainers: Their DogsForget pricey workout plans – celebs like Matthew McConaughey and Amanda Seyfried burn calories with the help of their furry BFFs!
Updated: Monday Jan 02, 2012 | 06:00 AM EST
By: Helin Jung
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Just keep livin' – and runnin'! The newly engaged star and his loyal dog BJ manage to stay adorable even while breaking a sweat.
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