June 30, 2015 11:24 AM EDT

Game of Thrones’ Khaleesi may be able to fly dragons, but the actress who plays her has an even more formidable talent. Emilia Clarke showed off her Valley Girl accent on Jimmy Kimmel Live! Monday night, and it was pretty much spot on.

The British star told Kimmel that she adopted the accent while shopping for an air conditioning unit at 3 a.m. in a New Orleans Home Depot while filming Terminator: Genisys so as not to be recognized. Clarke learned to talk like a Valley Girl from—what else?—Clueless, which will celebrate its 20th anniversary on July 19.

More Must-Reads From TIME

Write to Eliana Dockterman at eliana.dockterman@time.com.

You May Also Like