The former One Direction band member and Hadid announced their break up on Tuesday. They dated for more than two years.
"I'm grateful to all of our fans for respecting this difficult decision and our privacy at this time," Zayn said.
Hadid implied the split was amicable.
Speculation that the two had become a couple began when Hadid starred in Zayn's "Pillowtalk" video in early 2016.
The two did not make their relationship public until they walked the red carpet at the 2016 Met Gala.
Months ago, Zayn got a tattoo of his now ex-girlfriend's eyes on his chest.
This is not the first high-profile break up for them.
"As for the future, whatever's meant to be will always be," Hadid said in her post.
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