Meanwhile, The campaign showdown begins when Brittany and Blaine go head-to-head for Student Council President.
GLEE airs on Thursday, September 27 at 9 p.m. ET/PT following THE X FACTOR on FOX. Sarah Jessica Parker guest stars as Vogue.com editor Isabelle Klempt.
Watch a couple of sneak peek videos below including the full performance of "Celebrity Skin":