Stallone's Ford F150 that West Coast Customs built for Sly to drive in the movie the Expendables
Bret Michaels 1969 Camaro
Frankencuda http://justacarguy.blogspot.com/2010/11/troy-brumbalows-frankencuda-design-by.html which is said to be int he 5th Fast and Furious movie, and corroborated http://fast-and-furious-5-movie-trailer.blogspot.com/2010/08/fast-and-furious-5-movie-pictures.html but my guess it's just a cameo split second moment... not more than 20 seconds screentime.
Jesse James 1954 Chevy 210 built on his TV show by Gene Winfield, Bill Hines, Dick Dean, Fat Jack, Norm Grabowski and Jesse.
Alan Jackson is selling 3 cars, a 1970 Ram air IV GTO, 1970 Challenger R/T, and a 1967 Vette
A Cadillac that Elvis gave his dentist
and NASCAR team owner Rick Hendrick is bringing 13 cars from his collection.
read all about it at http://automotive.speedtv.com/article/autos-famous-cars-owners-at-auction