Sean Lowe and Wife Catherine Love Their 'Little Family' in Cute Pictures With Son Samuel

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Sean Lowe and wife Catherine aren't done with their winter vacation just yet.

The Bachelor couple continued to share photos of themselves with their 6-month-old son, Samuel Thomas, on Instagram Tuesday.

"I love my little family," Sean, 33, wrote along with a photo of the happy threesome.

This holiday season was a special one for the young family. Aside from their ski vacation in Winter Park, Colorado, it marked Samuel Thomas' first Christmas.

PIC: 'Bachelor' Couple Sean and Catherine Lowe Proudly Rock Matching Pajamas With Son Sam

On Christmas Eve, Sean posted a shot of Samuel under the tree, joking, "I'll put this one in the 'probably return' pile."

Next year, the family could be opening presents as a foursome, as the couple told ET in November that they are planning for baby No. 2.

"2017 or 2018 is a fair bet we'll have another kid come along!" Sean said.

READ: Sean Lowe and Catherine Giudici Are Planning Baby No. 2!

"We want them to be close together," Catherine said. "I'm not pregnant or anything, but it's definitely important that we knock it out! My sisters and I are really close in age, and that's something that I loved … experiencing a lot of the same things. So we're hoping that the next one just gets to be best friends with Samuel. ... [I'll probably get pregnant] early next year, in the next 6 to 8 months."