By Breaking Celebrity News Staff

Ryan O'Neal showed up Monday at 30 Rock In New York for an exclusive interview on the Today show, but canceled at the last minute, saying he didn't feel well.

The 71-year-old Love Story actor -- who earlier this month revealed he has stage 2 prostate cancer  -- was scheduled to appear on Today to talk about his controversial new memoir, Both Of Us, My Life With Farrah.

Today's Matt Lauer made the announcement of O'Neal's cancelation, saying "... we are sad to say Mr. O'Neal showed up here this morning ...he was not feeling well. He has since gone back to his hotel and we are told he is canceling all of his appearances for today, and we hope he is alright, and we hope to see him tomorrow morning, here on Today."

Prior to O'Neal's cancelation, Breaking Celebrity News exclusively reported that two of the star's four children, Tatum and Redmond, were already sla