Video of Michael Jackson's hair on fire released

A previously unreleased video of Michael Jackson's hair catching fire while filming a commercial in 1984 was posted online by Us magazine Wednesday.

Scroll down for the video: Michael Jackson's hair caught fire during the taping of a Pepsi ad

The onstage mishap 25 years ago, in which Jackson's scalp was burned, has been blamed for leading the entertainer to prescription pain medications.

Scroll down for the video: Michael Jackson's hair caught fire during the taping of a Pepsi ad

A publicist for Us magazine said the publication would not comment on how the video was obtained.