Oprah's Top 20 Moments

O, The Oprah Magazine | From the October 2005 issue of O, The Oprah Magazine

My 50th-Birthday Bash (2004)

As much as I like to surprise other people, I don't like to be caught off-guard myself—and yet my staff managed to pull together a surprise celebration that took my breath away. Truly one of the most unforgettable experiences of my life.