Wilkinson, 28, posed with Santa Claus, her husband Hank Baskett, and the couple's four-year-old son Hank Baskett IV in the picture, reported Us magazine.
All dressed in red, the family of three stood around Saint Nick as their baby boy donned a Spiderman outfit. The 'Kendra on Top' star went makeup-free, and hid her baby bump under oversized, leopard print pajamas.
"Happy holidays!!" she wrote on her photo-sharing website.
The couple have been expecting their second child, which is a baby girl.