By Meghan Blalock
Sep 13, 2012 @ 11:00 am
Gustavo Caballero/Getty; Kevin Mazur/WireImage

A few new proud parents are celebrating this morning! Nick and Vanessa Lachey welcomed new son Camden John Lachey last night. “We are incredibly proud to announce the birth of our beautiful baby boy," the couple told People. "Love has truly been redefined for both of us." Victoria's Secret Angel Adriana Lima and former NBA player Marko Jaric also delivered baby Sienna last night. "Marko and I are overjoyed to welcome Sienna into our family and Valentina is looking forward to becoming a big sister," Lima Tweeted. Congratulations all around!

Plus, see more celebrity moms and tots!

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