( EW.com ) -- Former `` Saturday Night Live '' cast member Kristen Wiig is returning to her old stomping grounds to make her debut as host of the show on May 11 , NBC has announced . Rounding out season 38 of the legendary sketch show will be Ben Affleck , who will make his fifth appearance on `` SNL 's '' May 18 finale . Zach Galifianakis to host 'SNL ' NBC has also confirmed the widespread rumor that Kanye West will make his fifth appearance as the show 's musical guest on the May 18 episode , though it remains unclear whether the rapper , who has been in Paris working on his next album , will premiere any new music . Vampire Weekend will provide the tunes during Wiig 's hosting gig . Both Wiig and Affleck have a busy few months ahead . Ben Affleck takes poverty vow : Eat on $ 1.50 a day . Wiig has multiple projects hitting theaters in the next few months , beginning with the summer 's animated sequel `` Despicable Me 2 . '' Later this year , we 'll see her in the flesh in `` Girl Most Likely , '' `` Anchorman : The Legend Continues '' and `` The Secret Life of Walter Mitty . '' 'Arrested Development ' : Seth Rogen and Kristen Wiig to guest . Affleck , whose most recent turn behind the camera `` Argo '' took home the Oscar for Best Picture earlier this year , is on screen now in `` To the Wonder '' and can next be seen in the September drama `` Runner , Runner . '' 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 .
Former 'SNL ' star Kristen Wiig is returning to host on May 11 . It will be her debut turn as host of the show . Ben Affleck will host the May 18 finale . Vampire Weekend will perform May 11 , and Kanye West will perform May 18 .