This page contains information regarding Star Trek: Lower Decks, and thus may contain spoilers.
In 2380, they performed aboard the USS Cerritos, where they were seen by members of beta and delta shifts. The Zebulon Sisters added a third "Chu" to the Chu Chu dance during this performance, resulting in the Chu Chu Chu dance, which Ensign Mariner described as genius. According to Ensign Brad Boimler, he made eye contact with one of them from the crowd, and forgot how to breath. (LD: "Terminal Provocations")