PHILADELPHIA (CBS) – Attention, Funfetti fans: Kermit’s Bake Shoppe in South Philly is offering free cupcakes through Friday.

Of course, there’s a catch.

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The free Funfetti cupcakes will only be doled out to the first twenty customers of the day who say “in their best Lady Gaga voice” the words “pink polka dot.”

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Plus, 25 lucky customers throughout the week will receive a pink polka dot inside their to-go box that’s redeemable for a gift certificate.

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According to the bake shop’s Facebook page, the giveaway is in honor of the store’s first birthday.