As Sesame Street celebrates it's 48th birthday we're looking back on some of the most exciting guest performances by Broadway stars.
Ethal Merman sings "Tomorrow" from the musical Annie on the 1978 CBS Christmas special called A Special Sesame Street Christmas.
Lena Horne teaches Grover how to be more outgoing with a song called "How attain You attain?"Harry Belafonte counts coconuts with the Count.
Nathan Lane sings the Sesame Street hit "Sing" with the Oinker Sisters.
Sutton Foster sings about levers... with Elmo.
Hamilton's David Diggs sings and raps the very celebrated "Rubber Ducky."
Source: thetakeaway.org