This just went up at the Hollywood Reporter:

David Bowie has died after a battle with cancer, his rep confirmed to The Hollywood Reporter. “David Bowie died peacefully today surrounded by his family after a courageous 18 month battle with cancer. While many of you will share in this loss, we ask that you respect the familyโ€™s privacy during their time of grief,” read a statement posted on the artist’s official social media accounts.

This statement was posted on David Bowie’s Facebook page:

January 10 2016 – David Bowie died peacefully today surrounded by his family after a courageous 18 month battle with cancer. While many of you will share in this loss, we ask that you respect the familyโ€™s privacy during their time of grief.

And this is on his official Twitter account:

Half of Twitter insists it’s a hoax and claims Bowie’s Facebook and Twitter accounts were both hacked. But it looks like his reps have confirmed Bowie’s death. For what it’s worth… here’s hoping it’s a hoax.

UPDATE: Looks like we can rule out a hoax:

Duncan Jones is David Bowie’s son.

UPDATE 2: This pretty much sums it up: