United Kingdom, March 11 -- Britney Spears is "honestly scared" at the talent of her youngest son.

The 43-year-old pop superstar has Sean, 19, as well as 18-year-old Jayden with her ex-husband Kevin Federline and took to social media on Tuesday (11.03.25) to hail her youngest as a "genius" as he played the piano.

She wrote on Instagram: "He's a genius and I'm in awe of him !!! I can't believe he's mine !!! I was honestly scared that's not normal !!!"

The '...Baby One More Time' hitmaker was even heard speaking in the background of the video and gushed that the performance had affected her in almost every part of her body.

She said: "Well that was really good! My son just played! Oh my God! I felt it in my bones, and my heart, and my l...