Jamie-Lynn Sigler and Robert Iler, who played siblings Meadow and A.J. Soprano, respectively, face off in PEOPLE's exclusive ...

Jamie-Lynn Sigler is reflecting on the scariest time in her life when her 11-year-old son Beau was hospitalized with a life-threatening autoimmune condition last summer. “Those were the hardest ...

"I wanted to give her tools and things that I've learned that have helped me," Sigler told PEOPLE in a new interview with ...

Jamie-Lynn Sigler’s 10-Year-Old Son Beau Leaves Hospital 33 Days After ‘Nightmare’ Diagnosis Jamie-Lynn Sigler Reveals Son Beau Has Been Diagnosed with Autoimmune Disorder After Catching a ...

In PEOPLE’s exclusive clip of Jamie-Lynn Sigler and Christina Applegate’s new podcast, MeSsy, Sigler opens up about how she kept her multiple sclerosis diagnosis a secret for 16 years ...

Some seven months after her son Beau was hospitalized for 33 days with a rare autoimmune condition, Jamie-Lynn Sigler is now sharing some of the harrowing details of his fight for life.

Christina Applegate is shedding more light on her battle with multiple sclerosis. “For three years, since I was diagnosed, ...

Jamie-Lynn Sigler has faced her own battles with multiple sclerosis, but nothing prepared her for the terrifying ordeal she endured last summer when her 11-year-old son, Beau, was hospitalized ...

Jamie-Lynn Sigler's 11-year-old son Beau was hospitalized for 33 days with a rare autoimmune condition known as acute disseminated encephalomyelitis Sigler says her experience living with MS helped ...

Jamie-Lynn Sigler is going up against her Sopranos brother, Robert Iler, on The $100,000 Pyramid! In PEOPLE's exclusive look at the March 23 episode of the game show, the two former costars ...