The 35,000-square-foot project is known as “Gym U” — as in University — and opened with a packed VIP party on May 31, and to the public on June 2. It’s located at 215 W. 23rd St.

Four years ago, a now-25-year-old fitness influencer Natalee Barnett tweeted: "Respectfully, if you have a problem with trans women attending my gym then you can find another gym to train at.