The 21-year-old supermodel has moved into her boyfriend's Los Angeles home and Zayn, 23, has given Gigi permission to redecorate.
A source told the Sunday Mirror: ''Zayn and Gigi have moved in together in LA and he's busy furnishing and buying paintings to change it up and make it more of a couple's pad.
''They cherish every moment together and make sure they're never apart for longer than 10 days so it made sense for her to move in officially.''
The couple also share Gigi's New York apartment when they are on the east coast and couldn't be happier since reconciling after a brief split earlier this year.
The insider said: ''Zayn prefers a quiet night with Gigi than showbiz parties so it's important she feels comfortable.
''He appreciates her so much more after her support when he had to pull out of the Capital FM Summertime Ball with anxiety.
''Zayn sees how much Gigi is there for him. They're mutually passionately in love.''
Speaking about their relationship, an insider previously said: ''Things are back to normal with them.
''They got through a rough patch that Zayn was facing personally and it started to put a dark cloud on their relationship. Gigi was there for him when he needed her the most and that brought them closer than ever.''
Meanwhile, Gigi may be one of the most beautiful women in the world but Zayn recently insisted he loves her for her mind.
Zayn said: ''She's super intelligent. I think that's why it works so well. And we do the same type of job so we get that with each other.''
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