It's okay to miss somebody' Tyler James Williams recalls shock of seeing Big Bird without his head while working on Sesame Street as a kid ...

Follow BI Video: On Facebook More from Entertainment There's a new documentary about Carroll Spinney, the puppeteer who played Big Bird ever since the character debuted on "Sesame Street" in 1969.

Danielle, Este and Alana Haim are reinventing the alphabet song — with the Muppets of Sesame Street! The sister trio ... the ABCs alongside Elmo, Big Bird, Cookie Monster, Burt, Ernie, Oscar ...