Dave Scott, an American dance teacher and choreographer who worked on “ Step Up 2,” “Step Up 3” and “ So You Think You Can Dance,” died on Monday. He was 52.

Scott was also the choreographer behind Season 8 of “Dancing with the Stars,” which Olympic gymnast Shawn Johnson won, and “So You Think You Can Dance” from Season 3 onwards.

Hold on to your toe shoes: Today marks 20 years since So You Think You Can Dance‘s series premiere. Yep, it’s been two decades since the first time aspiring dancers took the stage to audition ...