PHOTOS: Oprah's diet journey in pictures

It's no secret that weight is an issue that's plagued billionaire talk show host Oprah Winfrey for decades. On Tuesday morning, the Associated Press published advanced excerpts from the January issue of O magazine, in which she admits she's back up to 200 pounds. She reportedly looks at her thinner self and thinks: "How did I let this happen again?" We take a look back at her seesaw battle with the bulge.

-- Stephanie Lysaght and Denise Martin