The singing actress spoke about the role, which was preserved on film by Didi Conn, who is also part of the upcoming TV musical.
Watch the interview below:
The cast for the TV presentation, which airs Jan. 31, will be led by Julianne Hough as Sandy, Aaron Tveit as Danny Zuko, Andrew Call as Sonny, David Del Rio as Putzie, Kether Donohue as Jan, Jordan Fisher as Doody, Ana Gasteyer as Principal, Vanessa Hudgens as Rizzo, Jepsen as Frenchie, Mario Lopez as Vince Fontaine, Carlos PenaVega as Kenickie and KeKe Palmer as Marty.