Nineties R&B stars TLC kicked off New York Advertising Week 2019 at the PlayStation Theater with a raucous show before several hundred of advertising bigwigs. The girl group performed many of their classics including “Friends,” “No Scrubs” and “Waterfalls” to the enthusiastic cheers of the audience.

Advertising Week New York, which runs until Sept. 26, features sessions on the latest developments in the industry and speakers like Serena WIlliams, Jesse Eisenberg and Tony Hawk.