Gigi Hadid

Could this be the reason Zayn Malik and Gigi Hadid broke up?

Loud and clear.
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Gigi also took to social media to bid farewell to the relationship, which is intriguing given her display during one of her first outings after the split.

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Arriving back home in New York on March 15, Gigi stepped out with her phone on show at every press opportunity - revealing a very interesting message on the back of it...

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It reads: "Social media seriously harms your mental health"

We don't have any details on why they split but it's been reported that work strains and long distance were to blame. Could the added pressure of having fans comment on their every move also have become too much for the pair?

A source told The Sun: 'They are no longer a couple but they do remain close and are supportive of each other. The reality is that they’ve grown apart, having been together for a long time. They have crazy work schedules that would put pressure on any relationship.'

Zayn and Gigi became official back in January 2016, six months after he and Little Mix star, Perrie Edwards, broke up.

They have since deleted all traces of each other on their social channels.

We are sad to see this pair go their separate ways but wish them all the best.

Let's look back on the couple's cutest Instagram selfies ever...