Celebs Battling Rare Diseases

Daisy Ridley: Star Wars' actress Daisy Ridley revealed that she has been diagnosed with a condition known as Graves' disease.

Mandy Moore: Mandy Moore revealed that a rare blood disorder prevented her from getting an epidural while giving birth to her second child.

Sia: The singer suffers from both Graves' disease and Ehlers-Danlos syndrome, which is a group of connective tissue disorders that affect the skin.

Selena Gomez: The singer and actress is known to suffer from lupus.

Sarah Hyland: The 'Modern Family' actress suffers from kidney dysplasia.

Kanye West: In 2018, West opened up about his mental health, revealing that he's bipolar.

Pamela Anderson: The actress used to suffer from Hepatitis C, which she contracted from using a contaminated tattoo needle.

Ashley Olsen: The actress suffers from Lyme disease, which can result in debilitating life-long symptoms.

Avril Lavigne: The singer has also suffered from Lyme disease.

Celine Dion: Songstress Celine Dion revealed that she was diagnosed with Stiff Person Syndrome.