The sister trio appeared on Thursday's episode of the iconic children's show to sing a new tune explaining the ABCs alongside Elmo, Big Bird ... on Sesame Street," says Este, 37, who then plays ...

As a kid, you likely spent a lot of time learning your ABCs from characters like Cookie Monster, Big Bird, Elmo, and Oscar the Grouch. "Sesame Street ... they put the show together.

There's a new documentary about Carroll Spinney, the puppeteer who played Big Bird ever since the character debuted on "Sesame Street" in 1969. The film, entitled "I Am Big Bird: The Carroll ...