FKA Twigs just blew our minds with her 'Fallon' performance

Leave it to FKA Twigs to kill it on her first time out.

The avant-garde singer made her U.S. late-night debut on The Tonight Show Starring Jimmy Fallon Tuesday, and as we've come to expect from her many bizarre videos, it's a pretty out-there performance.

Delivering a dynamic rendition of her sexy Two Weeks, the British up-and-comer (and Robert Pattinson's girlfriend) donned a copper, cone corset as "air sculptures" (designed by artist Daniel Wurtzel) danced behind her.

"I've never seen anything like that before, oh my God," Jimmy said as the performance wrapped. You can see what he means right here:

Be right back. Can't stop watching.