Heartbreaking! David Bowie Dead At 69 — Kept Cancer Battle Secret From Fans

The legendary artist celebrated his 69th birthday on Jan. 8., while keeping his cancer battle a secret from fans.

"David Bowie died peacefully today surrounded by his family after a courageous 18 month battle with cancer," read an announcement on his official Facebook page. "While many of you will share in this loss, we ask that you respect the family’s privacy during their time of grief."

His son, Duncan Jones, confirmed the heartbreaking news on Twitter.

David was married to supermodel and makeup mogul Iman at the time of his death, and they share one daughter, Alexandria "Lexi" Zahra Jones.

The "Ziggy Stardust" singer worked up until his death, and even released a video for his new hit "Lazarus" on Jan. 7.