Nick and Vanessa Lachey Celebrate First Christmas with Baby Camden

Nick and Vanessa Lachey celebrated their first Christmas with son Camden and it seems they had a great time.

"Merry Christmas!!! Here's to Living, Loving & Laughing!... and cute behinds!!!," Vanessa wrote Dec.25 after posting  a close up  picture of her little boy baby Camden , wearing a white onesie, "Baby's First Christmas," printed on it.

The couple, who first met during the shooting of Nick's video "What's Left of Me", tied the knot in 2011 and welcomed their first son, Camden, Sept. 12. 

New dad Nick also took to Twitter to express his excitement and happiness on Christmas Eve.

"Merry Christmas Eve everyone! Light a fire, grab some egg nog, and spend some time with the family. Looking forward to Cam's first Christmas," Nick tweeted.

The couple  had earlier shared details about their preparations for Christmas with their fans and well-wishers on Twitter.

"I feel like we have the Griswold Family Christmas Tree! @NickSLachey had to saw off the top AND bottom, ha! But it looks damn good!" Vanessa wrote.

 Father Nick expressed his concern with the delay in buying Christmas gifts for his near and dear ones.

"One week until Christmas and i haven't even started shopping.....why do i do this to myself every single year?" he wrote Dec.18.

Vanessa later posted a photo of herself and son with the caption: "Snow storm in Cincinnati with my family... The perfect day!"

Nick's  was earlier married to Jessica Simpson. The couple split in 2006.