“They’re all mine,” the proud mama, 34, captioned the cute shot.
Clarkson also shared a snap smooching her sweet son.
“I hope this year brings everyone this kind of smile/love #2017 #RemyB #ChristmasPJs,” she tweeted the image.
The Piece by Piece hitmaker, 34, shared the family’s Christmas card – which including her stepchildren Seth and Savannah – over the holiday season.
Earlier in December, the American Idol alum posted a photo with River Rose at the 63rd annual Piedmont Natural Gas Nashville Christmas Parade.
In November, the singer and her husband enjoyed a family vacation with their kids at Disney World in Orlando, Fla.
Happy New Year to the Clarkson-Blackstock family!