Ring on Who?

Beyoncé's most known video clip is probably "Put a ring on it", which turned into a sensation thanks to it's unique chorography. However, almost same moves were seen in 1969 in an American TV show called "The Ed Sullivan Show" and performed by a a trio called "Mexican Breakfast".

Video clip linked below:

Source:

https://playbill.com/article/channeling-fosse-beyonce-and-beyond-com-158175

https://www.youtube.com/watch?v=POUpOK6TCPg&t=12s