January 19, 2016 12:45 PM

Say cheese!

Britney Spears showed off the impeccable dental hygiene habits of sons Sean Preston, 10, and Jayden James, 9, on Instagram Monday.

“Brushy brushy brushy!” the pop star captioned a black-and-white photo of the two boys brushing their teeth before bed.

Britney Spears; Inset: Getty

The proud mom is no stranger to documenting her sons’ lives on her social media accounts. In recent months, Spears has shared photos of them receiving awards at school, skateboarding and going on fun family vacations.

Just last week, the singer shared a silly selfie with Preston.

“Got a spray tan … look a little like an Oompa Loompa,” Spears, 34, wrote.

— Andrea Park

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