Britney Spears says son Jayden, 18, is a "genius" after he plays the piano for her, adding that she "can't believe he's mine." The singer shares her sons, Jayden and Sean, 19, with ex Kevin Federline.

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 recently expressed her admiration for her younger son, Jayden, and his musical talent on social media. This heartfelt post came less than three months after they reunited during the holidays,

Britney Spears shared two heartfelt videos on Instagram, giving fans a glimpse into her bonding time with son Jayden

Britney Spears enjoyed precious bonding time with her youngest son and "twin," Jayden, to start the week. The "Toxic" hitmaker recently shared a video praising the 18-year-old, whom she shares with ex-husband Kevin Federline,

Britney Spears' son Jayden James Federline is following in his mom's musically talented footsteps! On Monday night, March 10, the Princess of Pop took to Instagram to show off the melodic skills of her and ex-husband Kevin Federline's youngest child.