Each year, tech companies shell out millions to enlist the services of A-list talent in hopes of cashing in on their popularity and generating large profit margins. Usually, these stars are just in it for the dough; a huge payday for very minimal work. Sometimes, however, these "stars" are no longer stars and need to do these 30-second commercial spots to keep their lights on. They need to sell out.

Many have become Hollywood outcasts, others have hit financial rock bottom, and some have just proven that their acting talents aren’t good enough to land them in the Lifetime movie of the week. Either way, they all share the same misfortune of starring in awful tech ads to earn a buck.  Take a stroll down the Hollywood Walk of Shame and get a glimpse of the A History of Celebrities Selling Out to Tech Companies.