Christina Aguilera shares son Max, 16, with ex-husband Jordan Bratman and daughter Summer, 10, with fiancé Matt Rutler. The singer shared a rare family photo on Instagram from their recent vacation.

Christina Aguilera’s super-rare family photo shows her two children, Max and Summer’s unique styles. And now, we can see how her rarely-seen teen Max already has such an edgy fashion sense! On Nov 13,

Christina Aguilera is a proud mom of two children but her son, Max, rarely features on her social media. The 43-year-old made an exception on Wednesday when she posted some "unseen bits" from her recent family vacation, which included photos of the 16-year-old, his sister Summer Rain, 10, and her fiancé Matt Rutler, 39.

Christina Aguilera's kids look all grown up in a rare family photo. Aguilera, 43, shared a snap of her family of four via Instagram on Wednesday, November 13. The "Genie in a Bottle" singer posed with her fiancé,

Aguilera sweetly hugged her two children as Rutler smiled behind them. Among other photos in the post, one image shows Aguilera dressed to the nines in a glamorous, backless gown. She playfully sat on top of Rutler’s shoulders in another picture.