The “Toxic” singer posted a clip of the 18-year-old freestyle-rapping while swaying around the foyer of her $7.4 million Thousand Oaks, Calif., mansion.

Britney Spears fans were thrilled for the star when she spent Christmas with her sons after reportedly not seeing the teenagers for two years—and if her latest social media posts are any indication, she's continuing to spend time with at least one of the boys.