After intense speculation, the 25-year-old revealed her pregnancy news during an appearance on The Tonight Show starring Jimmy Fallon.
The host shared his congratulations to the mum-to-be, who giggled as she replied: ‘Thank you so much!
‘Obviously we wish we could have announced it on our own terms but we’re very excited and happy, and grateful for everyone’s well-wishes and support.
‘It definitely wasn’t bad news and we’re happy now to be excited about it.’
When host Jimmy urged her not to overdo anything, and ‘be present’ for every part of her pregnancy, she insisted that she is ‘trying’.Zayn and Gigi have been on and off for five years (Picture: Mike Coppola/Getty Images for People.com)
‘I’m trying. Especially during this time, it’s a nice silver lining to be able to be home and together and really experience it, day by day,’ she continued.
Lifting the lid on her birthday celebrations, the supermodel admitted that she had been craving bagels – which she indulged in on her big day.
‘In the morning my family brought out an everything bagel cake, that already blew my mind, because my craving has been bagels…,’ Gigi said.
‘I eat an everything bagel a day.
‘So I was already so excited that my birthday cake was an everything bagel, but then I found out that Buddy the Cake Boss made my cake.
‘I’m his biggest fan, I love him and I don’t know if it was my hormones right now or just quarantine mess but I cried every five minutes.
‘Every time I thought about Buddy making my cake, I was just so happy.’
To be fair, we cry over cake even when we’re not in lockdown.
There have been rumours flying around about Gigi and Zayn, 27, starting a family, over the last few days.
And family sources recently let slip to TMZ that the lovebirds ‘have been informed of the sex of their forthcoming child’.Gigi and Zayn first started dating back in 2015 (Picture: Instagram)
According to the publication, Bella Hadid’s sister star will be having a baby girl, and is around 20-weeks along in her pregnancy journey.
They first started dating all the way back in 2015, when the Victoria’s Secret star popped up in the video for his debut single, Pillowtalk.
The pair have have enjoyed a rollercoaster relationship ever since, splitting a string of times before eventually reuniting at the end of last year.
Gigi previously opened up about wanting to start a family at some point in the future, amid their romance.
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In a candid chat with iD magazine, she teased a bunch of things she would like to do once she turns her back on modelling – and having a baby was first on her list.
‘I think that as I get older … well one day I’ll start a family and I don’t know if I will always be modelling,’ she confessed.
‘I love the creative side of fashion, it’s so fulfilling. The people I work with make me so happy, I’m so lucky to be around them.
‘But who knows? Maybe I’ll take up full time cooking!’
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