Taylor Swift, Selena Gomez, Jaime King, Sarah Hyland, Hailee Steinfeld, Hayley Williams, the Haim sisters and "Ramona and Beezus" actress Joey King were in attendance to celebrate Cabello's big day. Swift and Gomez each shared a photo from the party. There were cakes decked out with candles and a jeweled crown for the birthday girl.
What a way to ring in adulthood.
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