Before they were famous, many of today's biggest stars had celebrity idols of their own. They grew up watching their movies, listening to their music, and dreaming of one day following a similar path.
For a lucky few, that admiration eventually came full circle. Years later, they found themselves working with the very people who had once inspired them from afar. Talk about being starstruck!
Click through the gallery to discover which stars got to work with their idols.