United Kingdom, April 17 -- Christina Applegate has reportedly been "hospitalised" amid her multiple sclerosis (MS) battle.

Sources have claimed to TMZ that the 54-year-old actress was "admitted" to a Los Angeles hospital in "late March", but a reason is yet to be revealed.

A representative for the Vacation star told the outlet: "I have no comment whether she is in the hospital or what her medical treatments are.

"She's had a long history of complicated medical conditions that she has been refreshingly open about, as evidenced in her memoir and on her podcast."

In June 2021, Christina first announced her battle with MS - an incurable chronic autoimmune disease that impacts the brain and spinal cord.

And in March 2025, the Married... ...