Leighton Meester knows the identity of "Gossip Girl," but that's one secret she'll never tell.

Meester stopped by "The Talk" to promote her new flick, "The Oranges," and the final season of the CW series and she called the final 10-episode season a "perfect wrap-up."

Fans and cast members alike have wondered about the real identity of the mysterious titular blogger for six seasons and it will finally be revealed when the show comes to an end. "I just read it, so I know," Meester said on "The Talk." "It's not who I thought it was, though."

This season fans can expect a lot of "back and forth" between Meester's character, Blair, and Chuck (Ed Westwick).

Check out the video below for more.

"Gossip Girl" Season 6 premieres on Mon., Oct. 8 at 9 p.m. ET on The CW.

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  • Episode 602: "High Infidelity"

    Pictured (L-R): Penn Badgley as Dan Humphrey and Michelle Trachtenberg as Georgina Sparks.

  • Episode 602: "High Infidelity"

    Pictured: Penn Badgley as Dan Humphrey.

  • Episode 602: "High Infidelity"

    Pictured (L-R): Blake Lively as Serena Van Der Woodsen and Chace Crawford as Nate Archibald.

  • Episode 602: "High Infidelity"

    Pictured: Sofia Black-D’Elia as Sage.

  • Episode 602: "High Infidelity"

    Pictured: Barry Watson as Steven and Blake Lively as Serena Van Der Woodsen.

  • Episode 602: "High Infidelity"

    Pictured (L-R): Chace Crawford as Nate Archibald and Blake Lively as Serena Van Der Woodsen.

  • Episode 602: "High Infidelity"

    Pictured: Blake Lively as Serena Van Der Woodsen

  • Episode 602: "High Infidelity"

    Pictured (L-R): Chace Crawford as Nate Archibald and Sofia Black-D’Elia as Sage.

  • Episode 602: "High Infidelity"

    Pictured (L-R): Chace Crawford as Nate Archibald, Sofia Black-D’Elia as Sage, Barry Watson as Steven and Blake Lively as Serena Van Der Woodsen.

  • Episode 602: "High Infidelity"

    Pictured (L-R): Barry Watson as Steven, Blake Lively as Serena Van Der Woodsen and Sofia Black-D’Elia as Sage.

  • Episode 602: "High Infidelity"

    Pictured (center): Sofia Black-D’Elia as Sage.

  • Episode 602: "High Infidelity"

    Pictured: Leighton Meester as Blair Waldorf.

  • Episode 601: "Gone Maybe Gone"

  • Episode 601: "Gone Maybe Gone"

  • Episode 601: "Gone Maybe Gone"

  • Episode 601: "Gone Maybe Gone"

  • Episode 601: "Gone Maybe Gone"

  • Episode 601: "Gone Maybe Gone"

  • Episode 601: "Gone Maybe Gone"

  • Episode 601: "Gone Maybe Gone"

  • Episode 601: "Gone Maybe Gone"

  • Episode 601: "Gone Maybe Gone"

  • Episode 601: "Gone Maybe Gone"

  • Episode 601: "Gone Maybe Gone"

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