She walked exclusively for Givenchy and walked for Chanel and Miu Miu at their shows in Paris Fashion Week in March 2016, as well as walking for FentyxPuma in New York Fashion Week in February 2016. In January, Hadid made her Chanel Couture debut during Paris Haute Couture S/S Fashion Week.

She was also on the cover of Unconditional Magazine, Grey Magazine, Jalouse Magazine, V Magazine (with sister, Gigi), Editorialist, Wonderlands 10th Birthday Issue, S Moda, Evening Standard, Teen Vogue, and Twin Magazine F/W Issue. Hadid appeared on the November 2015 cover of Seventeen and has shot editorials for magazines, including Vogue Australia and Elle. In December 2014, Hadid made her first cover appearance on Jalouse Magazine and was featured on Day 27 of Love Magazine's Love Advent that same year. In December 2015 she made her Chanel debut, walking for the first time in the luxury brand's Métiers d'Art show in Rome. While at Paris Fashion Week she walked for Balmain. At London Fashion Week, walked for Topshop Unique and Giles, and at Milan Fashion Week for Philipp Plein, Moschino, Missoni, and Bottega Veneta.

In the fall 2015 New York Fashion Week, she walked for Diane von Fürstenberg, Tommy Hilfiger, Jeremy Scott (she closed his show), and Marc Jacobs. In the spring fashion weeks of 2015, Hadid walked for Tom Ford in Los Angeles, and walked in the amfAR 22nd Cinema Against AIDs Gala fashion show in May. She made her New York Fashion Week debut in the fall of 2014, walking for Desigual. Hadid also starred in the 'Swan Sittings' by Lesa Amoore, alongside actor Ben Barnes, and 'Smoking Hot' by Holly Copeland, modeled for Hannah Hayes F/W 2013 collection, various other commercial projects, and had done campaign work for Chrome Hearts in summer 20. Hadid began modeling at age 16 with a Flynn Skye commercial project. Hadid has also expressed interest in acting. She has since dropped out of school due to the success of her modeling career, but has expressed interest in returning to school to take on Fashion Photography as a career once she is done modeling.

In fall of 2014, Hadid moved to New York City and began studying photography at the Parsons School of Design, signing to IMG shortly before. She was diagnosed, along with her mother and brother, with the chronic illness in 2012. It was not announced that she suffered from chronic Lyme until October 2015. As a teenager, Hadid was an equestrian and had dreams of attending the 2016 Olympics in Rio de Janeiro but had to give up competing in 2013 due to her suffering from chronic Lyme disease. Hadid and her siblings were originally raised on a ranch in Santa Barbara, California for ten years. She has two older half-sisters, Marielle and Alana, on her father's side. Hadid has two siblings, an older sister named Gigi, who is also a model, and a younger brother, Anwar. Her mother is a Dutch-born American, and her father is Palestinian American. & raised in Los Angeles, California to real-estate developer Mohamed Hadid and former model Yolanda Hadid. Isabella Khairiah 'Bella' Hadid was born on Octoin Washington, D.C.

Gigi hadid and bella hadid