Carrie Fisher has been hospitalized after a bipolar episode/performance on a cruise ship. You have to watch this!

Carrie Fisher was hospitalized following a bizarre performance on board a Caribbean cruise ship last week -- and her rep tells TMZ, it was all caused by the actress' bipolar disorder.

Video footage surfaced of the performance -- which took place last week on board the Holland America Eurodam in the Caribbean -- showing Carrie slurring a couple off-key songs. Her dog even POOPS AND PEES on the stage while she's singing. It's pretty nuts.

Read More at TMZ