10 Celebs you probably didn't know live with multiple sclerosis

by Michelle Regalado
Jan 21, 2016 at 10:30 a.m. ET

These celebs are all currently battling multiple sclerosis.

1 /10: Jack Osbourne

1/10 :Jack Osbourne

Ozzy and Sharon's son was diagnosed with MS at age 26, just weeks after becoming a father.

2 /10: Clay Walker

2/10 :Clay Walker

The country singer learned of his MS in 1996, at the age of 26, shortly after completing his fourth album.

3 /10: Jamie Lynn Sigler

3/10 :Jamie Lynn Sigler

The actress, now 34, recently revealed she was diagnosed with the autoimmune disorder at 20.

4 /10: Richard Cohen

4/10 :Richard Cohen

The TV producer and husband to Meredith Vieira has been battling MS since he was 25.

5 /10: Michaele Salahi

5/10 :Michaele Salahi

The Real Housewives star kept her MS diagnosis a secret for years until finally revealing it in a book written about her in 2010.

6 /10: Ann Romney

6/10 :Ann Romney

The wife of 2012 Republican presidential nominee Mitt Romney was first diagnosed in 1998, but experienced a flare-up of symptoms during the election year.

7 /10: Montel Williams

7/10 :Montel Williams

The talk show host was diagnosed in 1999 and created the Montel Williams MS Fund, which has raised more than $1.5 million for research.

8 /10: Joan Didion

8/10 :Joan Didion

The award-winning writer discusses her MS diagnosis in one of her most famous works, 1979’s The White Album.

9 /10: Alan and Donny Osmond

9/10 :Alan and Donny Osmond

Alan stopped performing with his brothers in the late 1980s after he was diagnosed. His son David was diagnosed in 2006.

10 /10: Teri Garr

10/10 :Teri Garr

The actress, known for roles in Young Frankenstein and Close Encounters of the Third Kind, was diagnosed with MS in 1999.