03/19/2012 11:20 am ET

Pregnant Kristin Cavallari Stays Fit By Walking Her Dog

Her belly may be growing fast, but Kristin Cavallari is keeping the rest of her body trim!

The reality star, who is expecting her first child with fiancé Jay Cutler, got some cardio into her Wednesday workout in West Hollywood with a little help from her trusty canine companion, Bardot.

Read more on www.peoplepets.com


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