Gigi Hadid made her brother Anwar Hadid‘s girlfriend, Dua Lipa, feel like part of the family in a sweet shout-out for the singer’s 25th birthday.The 25-year-old model — who is expecting her first child with boyfriend, Zayn Malik — shared a photo of herself and Lipa via her Instagram Story on Saturday, August 22.“HAPPY BDAY DEXTER’S MOM @dualipa,” Gigi captioned the post, which referenced Lipa and Anwar’s recently adopted puppy. “You’re a special one & deserve the best.