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Every child's favorite street has seen its share of celebrities stop by for a little visit. Some are fans of the show from their own childhood, while others are seeing it all over again through the eyes of their children. Over the past 44 seasons, first ladies, athletes, astronauts, musicians, and actors have stopped by Sesame Street to help the characters, and viewers, learn about new words and concepts. Take this quiz to see if you can identify the celebs who've found their way to "where the air is sweet"!

Question 1/13

Which mom of two appeared on Sesame Street's "What's the Word on the Street?" segment in 2008, while pregnant with baby number two?

Question 2/13

Which dad appeared on two 2009 episodes to demonstrate the words "octagon" and "disguise"?

Question 3/13

Which songstress's segment with Elmo was scrapped after a public uproar over her skimpy outfit?

Question 4/13

Which musically inclined dad starred as the "Fairy Shoeperson" in a 2008 segment of the show?

Question 5/13

Which dad starred in a "Word of the Day" segment, explaining the word "persistence"?

Question 6/13

Which first lady appeared on the program to tout the benefits of fresh vegetables?

Question 7/13

Which Academy Award-winning mom appeared as a princess in a segment with Elmo and the Elephant?

Question 8/13

Which mom appeared in a 2007 episode as the captain of the Bookaneers?

Question 9/13

Which hot mom taught viewers about the word "compliment"?

Question 10/13

Which dad sang "The People in Your Neighborhood" with Telly Monster?

Question 11/13

Which rockin' dad of three appeared on Sesame Street to sing with Grover?

Question 12/13

Which actor took on the role of Mr. Earth for an episode about recycling?

Question 13/13

Which mom of three parodied her most famous character in a segment with Grover?