'Biggest Loser' host, dog Winky battle pet obesity

- (GMA 7 Entertainment) - 3 months, 3 weeks ago...

Alison Sweeney, host of the NBC network's weight loss TV series 'The Biggest Loser,' has worked with the show's contestants since 2007, supporting them as they drop pounds and learn to lead a healthier way of life. Now, Sweeney is taking on more weight issues by teaming up with dog food company Hill's Science Diet for the second annual Million Pound Pledge to raise awareness about obesity in pets....

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