Kate Hudson

Kate Hudson has definitely earned herself a spot on Mary Murphy's hot tamale train for her work on Glee this season.

New Rachel! New faces! New York! 8 clues from the Glee Season 4 premiere

The actress, who plays Rachel's NYADA instructor Cassandra July, shows off her moves in a sexy mash-up performance of Lady Gaga's "Americano" and Jennifer Lopez's "Dance Again" on the Season 4 premiere. An intimidated Rachel (Lea Michele) watches Cassandra wide-eyed as a scary question dawns on her: Is she no longer the biggest star?

Watch the full performance below. Glee returns Thursday, Sept. 13 at 9/8c on Fox.