United Kingdom, July 20 -- Britney Spears' son has dismissed "ridiculous" theories that his mom has been replaced by a clone.

The Toxic hitmaker has been the subject of the bizarre online conspiracy over the last two years, with people believing it isn't the real pop star on her social media pages, and now 19-year-old Jayden Federline - whose father is Britney's ex-husband Kevin Fedeline - has insisted the claim is nonsense.

Recording a livestream, Jayden said: "I hop on TikTok and I see this one video that has 1.2 million likes, and the caption is like, 'The biggest theory ever: Is Britney Spears still alive?'' Like, bro, you can go to her page and see her right now."

The model went on to brand the idea "ridiculous" and said the clone...