CHRISTINA Aguilera shared a rare photo of 12-year-old son Max during a chilly bikini pool party.
The 40-year-old singer shares Max with ex-husband Jordan Bratman, 43.
The Genie in a Bottle singer shared a series of snaps and clips from a pool party on Monday.
One snap captured hugging Max as they sat on the floor.
The mother-son duo both donned soft smiles as they looked comfortable in sweatpants during the low-key Christmas festivities.
She captioned the : "holiday photo dump - stay home edition ā¤ļøš”š“āļøš š¼"
The first photo in the post showed Christina wearing a pink bikini and a Santa Claus hat, while her longtime partner Matthew Rutler got into the holiday spirit as he sported a fake white beard.
The singer also shared a video of Matthew, 35, swimming toward the camera, followed by another clip of her partner blasting snow from a machine into her yard.
Christina was heard in the back of the clip stating: "This is how we get snow in "
A following clip showed Christina's dogs playing in the snow, while another snap showed Christina and Matthew posing with their dogs as they held up champagne glasses in the snow.
Another photo caught the singer's six-year-old daughter Summer Rain- whom she shares with Matthew- taking a nap on the floor while surrounded by Christmas presents.
The post concluded with a shot of Christina and Matt in the pool as the singer gave her fiance a kiss on the cheek.
The Beautiful singer married Jordan in 2005, while they finalized their divorce in 2011.
She began dating Matthew in 2010 and the couple became engaged in 2014.
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Back in June, Christina gushed over how for graduating.
Alongside a snap of the mother-son duo in the pool, Christina wrote on Instagram: "My graduate! so proud of you my love!
"And sending love and congrats to all the grads out there during this time!"
The Grammy Award-winning artist wore pink sunglasses and matching lipstick with her hair pulled up in the selfie.
She also celebrated her son's birthday with an Instagram post last January, which praised Max for having "the biggest heart and caring nature."