He's a mini heartthrob! 

Vanessa Lachey took to Instagram to share a series of adorable snapshots of her hubby Nick Lachey and their 20-month-old son, Camden.

"Happy Memorial Day everyone!" she wrote. "I'm so grateful for these family moments and the beautiful freedom we have. Thank you to all the men and women who have sacrificed for our country. You are forever loved."

In one pic, a shirtless Lachey shows off his abs while carrying Camden on his shoulders. In another photo, the doting dad and his little one are playing on a disassembled Fisher Price slide.

"Sweet Home Cincinnati! I can watch Daddy and his little helper all day!" she captioned the cute candid.

The couple, who tied the knot in July 2011, explained last year that they had plans to raise their child in Ohio.

"I've never embraced the idea of raising my kid in L.A.," Nick, who attended high school and college in Ohio, told ABC News in April 2013. "I want to move back home in a few years when Camden starts school. Vanessa and I share a common understanding that family is the most important thing and we both appreciate the idea of raising our kids around their grandparents and cousins."

We can't wait to see little Camden grow up!

Click "Launch Gallery" above to see more cute celebrity kids.

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