Candid snaps of the mysterious pair rack up millions of likes, since we all want to know what the 22 year-old Californian Hadid and 24 year-old Bradford-born Malik get up to.
What do they do after the glamorous after-parties and stylish shoot?
Well, it seems like they are a couple of homebodies who chill out making scran.
Hadid has spoken up about her new love of beans that she has gained from her British beau, as well as revealing that Malik's mum's house is her favourite restaurant in the world.
And it looks like Malik also spends some time in the Foster-Hadid abode, feeding horses and hanging out.
Hadid's mother, Yolanda Hadid's own Instagram page is rife with photos of her three model kids, Gigi, Bella and Anwar.
Runway shots, magazine covers and campaign photos are punctuated by informal photos of the siblings at home.
But, yesterday, Yolanda posted this adorable picture of a topless and tattooed Malik hugging her eldest daughter.
She captioned the post: 'Summer Loving.......#Family'
The post has racked up almost 300k likes, with plenty of people swooning in the comments.
That's right, Malik is Instagram officially in the Hadid clan, providing us with even more evidence to suggest these two are in it for the long-haul.