The celebrity Super Bowl ad phenomenon

Celebrities have all but taken over our favorite Super Bowl ads, and more often than not these days, multiple big name stars may be featured in one 30 second spot. It may be hard to fathom, but there was a day when commercials had no, let alone one, celebrity.

Today, we're far past that point. Take a look at some of the most unforgettable celebrity Super Bowl ads through the years.