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.

By Gil Kaufman Tate McRae gets why she keeps getting compared to Britney Spears. The 21-year-old Canadian ... seriously,” she said during a Q&A Spotify listening party in Los Angeles earlier ...