LOS ANGELES, California (CNN) -- The author of a best-selling memoir enthusiastically endorsed by talk show host Oprah Winfrey answered ... or exaggerated. James Frey's "A Million Little Pieces ...

In addition to Swift, Winfrey and James, big names like Jerry Seinfeld, Bruce Springsteen, Rihanna and Kim Kardashian also appear on the list of 18 celebrity billionaires.