Dianna Agron is coming back to Fox's Glee for its final season and she is already in the studio, presumably recording new tracks for her appearance on the musical series.

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Agron, who plays Quinn on the series, posted a tweet on Thursday heavily implying her return to Glee, writing, "It's gonna be a busy work day today... some of what I'll have to report might make a few of you happy... more to come..."

She then tweeted a photo of her signing a Vistior Sign-In sheet, writing "Glee" as her organization next to her name.

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The show's vocal producer and recording engineer Alex Anders tweeted a photo of Agron in the studio soon after.

"Ok. @DiannaAgron did not approve this being posted, so I blame you all for pressuring me if she gets mad," Anders tweeted on Friday. He included a photo of Agron in the studio, presumably recording a song for the upcoming season.

Agron appeared as a series regular during the show's first three seasons before she graduated from McKinley High. Starting with Season 4, she became a special guest star, appearing sporadically. She appeared in two episodes of Season 5, returning for the special 100th episode of the show to perform Toxic by Britney Spears with Brittany (Heather Morris) and Santana (Naya Rivera). She also sang Just Give Me a Reason by Pink and Nate Ruess during the New Directions episode.

Glee is set to return for its final season in early 2015 on Fox, though the network has not yet announced a specific air date.