The stars of That '70s Show are reuniting -- at least to perform the show's memorable theme song.
Topher Grace, Ashton Kutcher, Laura Prepon, Mila Kunis, Wilmer Valderrama and Danny Masterson gathered around the piano Tuesday evening for a spontaneous reunion, belting out the lyrics to the 1998-2006 Fox comedy's opening track, "In the Street," that was performed by Big Star.
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Valderrama posted a photo of the get-together via Instagram on Wednesday, featuring the former castmates in mid-song. The image has gotten nearly 17,000 likes and more than 860 comments on the photo-sharing site.
Masterson, Prepon and Grace also tweeted about the momentous occasion.
The majority of the cast previously reunited in April 2012 for Fox's 25th anniversary special.
Check out the That '70s Show opening titles below:
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