On September 12, Nick Lachey, 39, and wife Vanessa Lachey, 32, welcomed their first child, son Camden.
"It has changed me for sure. It literally affects everything you do, every decision you make," Nick recently said about becoming a parent. "Your priorities completely shift and your kids instantly become the most important thing in the world." What did he reveal is the biggest challenge of being a dad? Find out here: Star Dads Share Cherished Family Moments
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