The "Piece of Me" singer took to Instagram on Wednesday to show off Sean Preston's newly dyed hair, captioned the beaming snapshot, "My son has blue hair!! Wheeee!"
The isn't the first time her kids have gone for a more unconventional style. Last August, Spears and her son both dyed their hair blue and purple, as seen in this Instagram she snapped with Skrillex.
While she's the mother of a 10-year-old and a 9-year-old, Jayden James, Spears recently admitted, during a "Carpool Karaoke" segment with James Corden, that she wants as many as three more children!
Check out the video below to hear more from the pop superstar about expanding her family, even though she's "done with men" and doesn't "believe in marriage."