'Will & Grace' Stars Reunite for 'Something Big' -- See the Pics!

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Will, Grace, Jack and Karen are back on set!

The beloved cast of Will & Grace reunited this weekend, and shared a few photos that appear to be of them in character. "Only smiling because of where Eric's hand is!" Debra Messing captioned a photo of her sandwiched between Eric McCormack, Megan Mullally and Sean Hayes.

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The 48-year-old actress also shared a pic of her hugging McCormack, quipping: "You smell the same!"

Further hinting that fans will get a full-blown Will & Grace reunion, Messing tweeted a photo of herself on set, writing: "I feel like something BIG is going to happen tomorrow."

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Her co-stars followed suit, with Mullally, 57, tweeting a pic of herself in what looks to be Will and Grace's old apartment with the caption: "I remember this place."

She also posed with Messing and Instagrammed: "My new wife and i are so happy @therealdebramessing."

Meanwhile, McCormack is seen with a script in his hand in a photo he posted on Sunday. "I used to be able to do this without glasses," the 53-year-old actor quipped.

Hayes also shared some fun photos, and called out another Will & Grace character. "Beverly Leslie comes up to here on me," the 46-year-old actor wrote on Instagram, referring to Leslie Jordan's role on the sitcom.

In addition to all the reunion pics, the cast shared cryptic messages that just show I Love Lucy character names above a "Hot Food" logo. Messing posted Lucy, Hayes posted Fred, and Mullally shared Ethel and Fred.

Hayes later all but confirmed the reunion with what appeared to be a promo for the show's return. Fans noticed that the red letters in the video read: "Will and Grace is back."

Will & Grace aired for eight seasons from 1998–2006, and won an Emmy for Outstanding Comedy Series in 2000.

These sitcom stars aren't the only ones to reunite this year. ET got the Lost Boys of Hooktogether for the film's 25-year anniversary and it was pretty epic. Take a look: