Hailey Bieber is celebrating a year since she survived her “life-changing” mini-stroke. The model, 26, who is married to singer Justin Bieber, 29, was taken to hospital following stroke-like symptoms, and medical scans showed a small blood clot in her brain caused by a Transient Ischemic Attack (TIA. ) It was later discovered she had a “grade 5 PFO,” meaning the blood clot travelled to her heart and she later underwent a procedure to close the PFO (Patent Foramen Ovale.