“Extra” caught up with “Riverdale” star Lili Reinhart ahead of this week’s “Carrie: The Musical” episode.

Lili talked all things music, revealing Casey Cott is the best singer in the cast, but KJ Apa is the best musician, adding that Camila Mendes is always singing on set!

Reinhart revealed that the cast loves to go to late-night karaoke, where Casey sings “New York State of Mind,” and said she and Camila love Lady Gaga. Lili’s other go-to artists include Lana Del Rey and Pussycat Dolls.

Fans will also want to watch the interview to get Lili’s take on tackling “Carrie: The Musical.”

In the episode, Casey’s character, Kevin Keller, directs the musical starring Cheryl Blossom (Madelaine Petsch) in the lead role. Veronica (Mendes) will play meanie Chris Hargensen, while Betty (Reinhart) and Archie (Apa) will portray Sue Snell and Tommy Ross. Meanwhile, Jughead (Cole Sprouse) will be working on a documentary about high school theater.

Watch the episode Wednesday at 8 p.m. on The CW!