18. She's turning 18. #HappyVerde.

A video posted by Manolo Gonzalez Vergara, Esq. (@manologonzalezvergara) on

Sofia Vergara knows how to throw a good party, as evidenced by the lemon-themed birthday dinner held in her honor over the weekend. But the celebration took a turn when her son Manolo teased his mom--and almost revealed her age--in this adorable Instagram video. (For the record, she was celebrating the big 4-4.) Watch and LOL as you seriously identify with her super-appropriate reaction.

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