Gigi Hadid Posted the Sweetest Instagram for Zayn Malik's Birthday

When did you first become smitten with Gigi Hadid and Zayn Malik's relationship? Perhaps it was when the stylish duo shot a romantic Vogue spread, or maybe it was when they owned the red carpet together at last year's Met Gala. Either way, it's safe to say that they are one of the most-loved couples in Hollywood. So naturally, we couldn't resist saying awww when we read Hadid's cute Instagram tribute in honor of her beau's birthday today. 

"Happy birthday my handsome!" she captioned a pensive photo of Zayn. "So lucky to know and love a soul like yours ☄wishing you the best year ever!!!" Coincidentally, Zayn's birthday is super close to Hadid's mom's—she also posted an adorable photo and message to honor Yolanda yesterday. Something tells us Hadid has plenty to celebrate this weekend. 

Scroll down to see Gigi Hadid's Instagram post in honor of Zayn Malik's birthday today.

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What's your favorite Gigi-Zayn moment of all time? Tell us in the comments below!