The happy news comes just days after Perrie's Little Mix bandmate Leigh-Anne Pinnock revealed she is expecting a child with her footballer fiancé Andre Gray.
Taking to Instagram today, Liverpool star Alex shared that he and Perrie are also to become parents, as he jokingly asked: "Anyone got any advice on how to change nappies? Instagram Perrie shared the same black and white photographs to her Instagram as she told her followers: "So happy to be on this wild journey with my soulmateAlex and Perrie started dating in November 2016 following the singer's split from fiancé Zayn Malik.
Get all the big headlines, pictures, analysis, opinion and video on the stories that matter to you by following The Mirror every time you see our name. You can sign up for Twitter alerts for breaking news here @MirrorBreaking_ and follow us @MirrorCeleb for all the latest updates. Keep up-to-date with your must-see news, features, videos and pictures throughout the day by following us on Facebook at facebook.com/MirrorCeleb