Credit: Niki Nikolova/FilmMagic

Amy Winehouse was briefly hospitalized over the weekend with pain from her breast implants.

A source close to the singer, 26, tells, "She did go in on Saturday for a check up after experiencing pain, but then left and she is fine now."

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Winehouse's rep had no comment.

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The troubled singer, who had the implants put in last fall, was also hospitalized in November with a bad reaction mixing over-the-counter medication.