Hadid shared intimate photos with the singer in October from her 22nd birthday party.
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"I know I'm a lil late but I'm still in shock thinking about my birthday this year. I've never felt so much love & happiness," the star wrote.
"Thank u to my baby, my beautiful family and friends for making this surprise so special. This was the best day (EVER) .. thank you to everyone for the birthday wishes. I feel so lucky, I can't believe it," she added.
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