( EW.com ) -- Ryan Murphy has added another attraction to his `` American Horror Story : Freak Show '' â€ ” and this one is a real show stopper . EW : 'American Horror Story ' at Comic-Con - 'Freak Show ' cast announced . Veteran singer Patti LaBelle will appear in four episodes of the FX anthology series from co-creators Murphy and Brad Falchuk . LaBelle will play the mother of Gabourey Sidibe 's character , a townie in 1952 Jupiter , Florida who discover the secrets of Twisty the clown killer . Sadly , the Grammy-winner 's part will only require her to act ; no singing will be involved . EW : 'American Horror Story : Freak Show ' to be less campy than 'Coven , ' FX chief says . LaBelle , most recently seen on Broadway in `` After Midnight , '' joins returning `` AHS '' cast members Jessica Lange , Kathy Bates , Angela Bassett , Frances Conroy , Sarah Paulson , Gabourey Sidibe and Evan Peters in the fourth season of the FX hit , which will premiere in October . Michael Chiklis , Wes Bentley , John Carroll Lynch and Finn Wittrock will also join Murphy and Falchuk 's parade of oddities this season , which will focus on the last American freak show in the 1950s . See the original story at EW.com . CLICK HERE to Try 2 RISK FREE issues of Entertainment Weekly . © 2011 Entertainment Weekly and Time Inc. All rights reserved .
The singer will appear in four episodes . LaBelle will play the mother of Gabourey Sidibe 's character . She most recently appeared on Broadway in `` After Midnight ''