Sarah Paulson's 'Criminal' Fiona Apple Cover From AMERICAN HORROR STORY: FREAK SHOW Now On iTunes

Download your copy of Sarah Paulson's unexpected self duet of a Fiona Apple pop gem!

Of note, Paulson sang Fiona Apple's 1996 hit "Criminal" with herself as the conjoined twin characters of Bette and Dot on last night's episode of the hit series.

Creator Ryan Murphy commented on the musical moment on Twitter, writing, "@MsSarahPaulson, your fantastic version of CRIMINAL is on iTunes and I just bought it."

Follow Ryan Murphy on Twitter here.

Stage and screen standout Sarah Paulson headlines the fourth season of FX's acclaimed horror-themed anthology series AMERICAN HORROR STORY: FREAK SHOW and an attention-worthy new clip featuring the actress belting out a showstopper with herself is now available to view and the song is available for download, as well.

The official description of AMERICAN HORROR STORY: FREAK SHOW is as follows: "American Horror Story: Freak Show begins its tale in the quiet, sleepy hamlet of Jupiter, Florida. The year is 1952. A troupe of curiosities has just arrived to town, coinciding with the strange emergence of a dark entity that savagely threatens the lives of townsfolk and freaks alike. This is the story of the performers and their desperate journey of survival amidst the dying world of the American carny experience."

The cast of AMERICAN HORROR STORY: FREAK SHOW includes Jessica Lange, Kathy Bates, Angela Bassett, Frances Conroy, Evan Peters, Michael Chiklis, Emma Roberts, Denis O'Hare, Finn Wittrock and Patti LaBelle.

AMERICAN HORROR STORY: FREAK SHOW premieres at on FX on October 8 at 10 PM.

More information on AMERICAN HORROR STORY: FREAK SHOW is available at the official site here and Facebook page here.

Download Sarah Paulson's "Criminal" on iTunes here.

View the clip of AMERICAN HORROR STORY: FREAK SHOW featuring Sarah Paulson below.