now.On March 8, and celebrity hair stylist both shared a video celebrating her brand new hair transformation, showing off the process from start to finish. In the video, set to Loretta Lynn's “Act Naturally,” McMillan chops the 28-year-old model's long blonde hair into an short .While many celebs have been opting for more voluminous styles like the and , Hadid’s cut is shorter, falling right in the middle of her neck, and involves fewer layers and much less blowdrying.