Camden Jack is ready for his closeup!

Kristin Cavallari's baby boy with fiance Jay Cutler can't be any cuter. The 25-year-old reality star's son rocked a white onesie and Burberry-plaid trimmed hat for this candid photo.

KCav Tweeted the above pic and the following:

    "Being a mom is the most incredible feeling. I am so in love with this little boy!"

The little tot, who goes by "Cam," already knows how to play it up for the cameras ... just like mom.