London, Aug 1 : Soccer ace David Beckham has filmed a guest appearance for the childrens show Sesame Street. The cameo by the footballer, who plays for LA Galaxy, saw him teach the character Elmo how to spell the word persistent. The 33-year-old joined the likes of James Blunt, Lauren Bacall and Hillary Clinton to appear on the kids show, reports the Mirror. Other celebrities starring in the new season of Sesame Street include Jessica Alba, Jack Black, Jenny McCarthy and Heidi Klum. The episode of the popular shows 39th season will be screened in the US on 11 August. ANI