▲In 2012, the actor and host appeared on 'Sesame Street' in a sketch where he starts a rumor that the Cookie Monster has become the Veggie Monster.

▲The comedian has both appeared on 'Sesame Street' and had the show come to her! Indeed, the character Oscar the Grouch appeared on her talk show.

▲Hugh Jackman appeared in an episode of 'Sesame Street' alongside Elmo, discussing the word "concentrate" and encouraging the audience at home to play along.

▲The actress appears on 'Sesame Street' alongside the Cookie Monster to have a serious talk about diagrams. But the Cookie Monster has other ideas!

▲The iconic actor appeared in a 'Sesame Street' sketch with Elmo, discussing what it means to be an actor. He turns into a dog, a cabbage, and then a second Elmo!

▲SJP appeared on 'Sesame Street' to talk all about the word "pair" with Elmo. They look at pairs of various things together, including ice skates.

▲The actress appeared in a sketch discussing the word "disappointment." Elmo and her are planning to do a 'cheer' of the word, but that doesn't work out, sadly.

▲The actress appeared on 'Sesame Street' to share memories of the show and to pass her congratulations on 50 years by saying "Happy Anniversary!"

▲The actor appeared on 'Sesame Street' in an episode where he explains the word "cling." The characters he's around take the word quite literally with him!

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Nicole Kidman appears in a 'Sesame Street' sketch to discuss the word "stubborn" with Oscar the Grouch". Unfortunately, he is playing up to the word and refuses to comply!

▲The actor appears in 'Sesame Street' in a sketch with Murray, in which they enthusiastically discuss the meaning behind the word "empathy."

▲The singer appears on 'Sesame Street' alongside Elmo in a sketch where she performs a slightly altered version of her hit song 'Fallin'.'

▲The actress appears in a 'Sesame Street' sketch with Abby Cadabby, teaching her the meaning of the word "balance," with humorous consequences!

▲The actress has appeared in a couple of 'Sesame Street' sketches. One of them includes counting to 10, and yet another involves the meaning of the word "include."

▲Jeff Goldblum appears in an old episode of 'Sesame Street' that involves Big Bird and some singing, which he does not participate in.

▲The singer appears in a 'Sesame Street' sketch where he brings his own version of the ABC song to the show. The sketch has had an enormous number of YouTube views: over 120 million!

▲The actor appeared in a sketch on 'Sesame Street' with the character Murray, where the word "reinforce" is discussed at some length.

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The singer appeared in a parody of her 'Hot N Cold' video. Her outfit caused a stir and therefore it never aired on the show. It is, however, easy to locate on YouTube.

▲The retired soccer star appeared on 'Sesame Street' to discuss the meaning of the word "persistent" with Elmo. A few soccer references were naturally thrown in there as well.

▲Pharrell appeared in a 'Sesame Street' sketch where he sings a song to Elmo and the Cookie Monster called 'B is for Book.'

▲Seth Rogen joins Elmo in a 'Sesame Street' sketch to discuss the word "embarrassment." He subsequently feels some embarrassment of his own!

▲The actress joins Elmo on a 'Sesame Street' sketch to play a game of "Princess and Elephant." Therein lies the problem: there is some confusion over who is who!

▲The actor joins Elmo and a talking basketball on 'Sesame Street' in a sketch in which the word "patience" is discussed, and put into practice!

▲The actress appears on 'Sesame Street' to join Elmo, Murray, and Abby Cadabby to learn the word "absorb," and to have some practical examples of the word shown along the way!

▲The singer joined some 'Sesame Street' characters to sing a song called 'Don't Give Up.' The sketch has over 100 million views on YouTube!

▲The singer joins a few of the 'Sesame Street' characters to sing along with them. The name of the tune is 'S is for Songs with Sia.'

▲The funnyman appears on 'Sesame Street' in a sketch where he not only stars alongside Elmo, but sings a song to him entitled 'A Song About Elmo.'

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Providing great amusement to children and adults alike is no easy task, but the 'Sesame Street' cast has managed to do just that, and often with the help of some very special guests.

Of course, the list of celebrities who have graced 'Sesame Street's' famous doors over the years is enormous. In this gallery, we've highlighted our favorites. Click on to release the inner child in you!

▲On a 'Sesame Street' episode, Oprah Winfrey parodies herself by providing the voice for a cartoon letter "O," who runs her own talk show, which is aptly named 'The O Show.'

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Michelle Obama has appeared in several different sketches. The former First Lady's appearances have revolved around encouraging healthy eating for children.

▲Peter Dinklage participated in a sketch on 'Sesame Street,' which takes a slightly different look at the classic game of Simon Says, complete with singing, naturally. Of course, we also can't forget the viral 'Sesame Street'/'Game of Thrones' crossover either!

Celebrity guest stars on 'Sesame Street'

'Sesame Street' premiered on November 10, 1969

10/11/22 por StarsInsider

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Providing great amusement to children and adults alike is no easy task, but the 'Sesame Street' cast has managed to do just that, and often with the help of some very special guests.

Of course, the list of celebrities who have graced 'Sesame Street's' famous doors over the years is enormous. In this gallery, we've highlighted our favorites. Click on to release the inner child in you!

Celebrity guest stars on 'Sesame Street'

'Sesame Street' premiered on November 10, 1969

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