‘Sesame Street’ producers are denying reports that Britney Spears will appear on the classic children’s series. The celebrity trainwreck was rumored to have agreed to appear on the show with Oscar the Grouch to sing a clean version of her hit track Toxic on the kids’ series. A spokeswoman for ‘Sesame Street’ says: “There are no plans to have Britney on the show. We are not even in production right now.”