While a "Friends" reunion may be the talk of TV lately, anyone hoping for a "That '70s Show" gathering may have been met with a welcome surprise if they follow Danny Masterson on Instagram.

"That '70's Show" cast members Topher Grace, Laura Prepon, Ashton Kutcher, Mila Kunis and Wilmer Valderrama joined Masterson around the piano to sing their theme song "In the Street," and Masterson posted a picture capturing the moment with the caption: "Every once in awhile friends gather for a 6 part harmony of a BigStar song..."

Break out your bell bottoms and check out the pic below:

Laura Prepon also tweeted out the photo:

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