This just in! Serena Williams will be joining judges Brandon Maxwell, Nina Garcia, Elaine Welteroth, and mentor Christian Siriano for the season finale of Project Runway’s 18th season!

There have been many celebrities who served as guest judges this past season including Laverne Cox, Leslie Jones, Rachel BRosnahan, Cyndi Lauper, and Kiernan Shipka.

You can tune in to see the grand slam champion put to work on the two-part finale on Thursday, March 5th and Thursday March 12th at 9PM.