Kate Hudson is tearing up "Glee" -- and Rachel Berry's (Lea Michele) soul -- in this new full performance video of her "Dance Again"/"Americano" mashup, which you can watch below.

The actress, who plays Rachel's NYADA dance teacher Cassandra July, takes the floor while singing the Jennifer Lopez and Lady Gaga songs respectively and doing some amazing lifts, spins, kicks and hairography. Rachel looks on horrified.

And in another sneak peek of "Glee" Season 4, which premieres Thursday, September 13 at 9 p.m. ET on Fox, Sue Sylvester (Jane Lynch) has a new head Cheerio to bitch around the students at McKinley. "Glee" newcomer Kitty (Becca Tobin) serves some sass to former student Kurt Hummel (Chris Colfer), while Sue looks on proudly. Before the blonde takes Sue's newborn out of the office, she tells Kurt, "I thought all gay people were successful overachievers?" Ouch.

Watch both videos below and tune in for the Season 4 premiere of "Glee" on Thursday, September 13 at 9 p.m. ET on Fox.

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  • "All Or Nothing"

    "All Or Nothing"

  • "All Or Nothing"

    "All Or Nothing"

  • "All Or Nothing"

    "All Or Nothing"

  • "All Or Nothing"

    "All Or Nothing"

  • "All Or Nothing"

    "All Or Nothing"

  • "All Or Nothing"

    "All Or Nothing"

  • "All Or Nothing"

    "All Or Nothing"

  • "Wonder'ful"

    "Wonder'ful"

  • "Wonder'ful"

    "Wonder'ful"

  • "Wonder'ful"

    "Wonder'ful"

  • "Wonder'ful"

    "Wonder'ful"

  • "Wonder'ful"

    "Wonder'ful"

  • "Wonder'ful"

    "Wonder'ful"

  • "Lights Out"

    "Lights Out"

  • "Lights Out"

    "Lights Out"

  • "Naked"

    The glee club puts together a calendar photo shoot to raise money for Regionals in the "Naked" episode.

  • "Naked"

    The glee club puts together a calendar photo shoot to raise money for Regionals in the "Naked" episode.

  • "Naked"

    The glee club puts together a calendar photo shoot to raise money for Regionals in the "Naked" episode.

  • "Naked"

    The glee club puts together a calendar photo shoot to raise money for Regionals in the "Naked" episode.

  • "Naked"

    The glee club puts together a calendar photo shoot to raise money for Regionals in the "Naked" episode.

  • "Naked"

    The glee club puts together a calendar photo shoot to raise money for Regionals in the "Naked" episode.

  • "Naked"

    The glee club puts together a calendar photo shoot to raise money for Regionals in the "Naked" episode.

  • "Naked"

    The glee club puts together a calendar photo shoot to raise money for Regionals in the "Naked" episode.

  • "Naked"

    The glee club puts together a calendar photo shoot to raise money for Regionals in the "Naked" episode.

  • "Naked"

    The glee club puts together a calendar photo shoot to raise money for Regionals in the "Naked" episode.

  • "Naked"

    The glee club puts together a calendar photo shoot to raise money for Regionals in the "Naked" episode.

  • "Naked"

    The glee club puts together a calendar photo shoot to raise money for Regionals in the "Naked" episode.

  • "Naked"

    Chord Overstreet as Sam Evans strikes a pose.

  • "Naked"

    The glee club puts together a calendar photo shoot to raise money for Regionals in the "Naked" episode.

  • "Thanksgiving"

    Amber Riley, Cory Monteith, Mark Salling, Dianna Agron, Harry Shum Jr., and Naya Rivera.

  • "Thanksgiving"

    Marley (Melissa Benoist, C) has a conflict in the "Thanksgiving" episode of "Glee."

  • "Thanksgiving"

    Ryder (Blake Jenner, L) and Jake (Jacob Artist, R) work together in the "Thanksgiving" episode of "Glee."

  • "Thanksgiving"

    The Warblers perform in the "Thanksgiving" episode of "Glee."

  • "Thanksgiving"

    New Directions perform in the "Thanksgiving" episode of "Glee."

  • "Thanksgiving"

    New Directions perform in the "Thanksgiving" episode of "Glee."

  • "Thanksgiving"

    Joe (Samuel Larsen, L) and Sugar (Vanessa Lengies, R) perform in the "Thanksgiving" episode of "Glee."

  • "Thanksgiving"

    Kurt (Chris Colfer) celebrates Thanksgiving in New York in the "Thanksgiving" episode of "Glee."

  • "Thanksgiving"

    Kurt (Chris Colfer, L) and Rachel (Lea Michele, R) celebrate Thanksgiving in New York in the "Thanksgiving" episode of "Glee."

  • "Thanksgiving"

    Brittany (Heather Morris, L), Quinn (Dianna Agron, C) and Santana (Naya Rivera, R) perform in the "Thanksgiving" episode of "Glee."

  • "Thanksgiving"

    McKinley High's alumni return as mentors to the current glee club members in the "Thanksgiving" episode of "Glee."

  • "Thanksgiving"

    McKinley High's alumni perform in the "Thanksgiving" episode of "Glee."

  • "Thanksgiving"

    Quinn (Dianna Agron, ) chats with brothers Puck (Mark Salling, L) and Jake (Jacob Artist, R) in the "Thanksgiving" episode of "Glee."

  • "Thanksgiving"

    Quinn (Dianna Agron, L) gives Kitty (Becca Tobin, R) some advice in the "Thanksgiving" episode of "Glee."

  • "Thanksgiving"

    Kurt (Chris Colfer, R) invites Isabelle (guest star Sarah Jessica Parker, L) over for Thanksgiving in New York in the "Thanksgiving" episode of "Glee."

  • "Thanksgiving"

    Kurt invites Isabelle (guest star Sarah Jessica Parker) over for Thanksgiving in New York in the "Thanksgiving" episode of "Glee."

  • "Glee, Actually"

    Brittany (Heather Morris) passes out gifts in the "Glee, Actually" episode of "Glee."

  • "Glee, Actually"

    Puck (Mark Salling) and Jake (Jacob Artist) have a brotherly conversation in the "Glee, Actually" episode of "Glee."

  • "Glee, Actually"

    Sue (Jane Lynch) gets into the holiday spirit in the "Glee, Actually" episode of "Glee."

  • "Glee, Actually"

    Marley's mom, Mrs. Rose (Trisha Rae Stahl) and Sue (Jane Lynch) watch a performance by the glee club in the "Glee, Actually" of "Glee."

  • "Swan Song"

    Kurt (Chris Colfer) begs for another chance to audition at NYADA in the "Swan Song" episode of "Glee."

  • "Swan Song"

    Whoopi Goldberg guest-stars as Carmen in the "Swan Song" episode of "Glee."