The couple split up last week before getting back together almost immediately and friends say the 21-year-old model is completely smitten with the 23-year-old singer.
A source told Entertainment Tonight: “Gigi is obsessed with Zayn – she won’t let go of him too easily. They’re back together, but could be over again in any second.”
Gigi posted a Snapchat of herself singing Zayn’s song, ‘Pillowtalk’ over the weekend, at the Maybelline New York LA Beauty Bash which she hosted at The Line Hotel in Los Angeles.
And she also shared a picture of a card with the message “I know it’s obvious but I love you,” and added a smiley face, hinting that they had gotten back together.
Although it was reported last week Gigi and Zayn had ended their romance, friends insisted it was likely that they would reconcile.
The pair have reportedly been off and on recently and had a huge fight at Gigi’s birthday party in Los Angeles in April.
An insider explained: “During her birthday they were fighting. They have broken up and got back together a few times.”