Go back in time for a moment.

Do you remember when everyone was ready to “fall into the Gap”? There was a time when Gap commercials were exciting and cool — a Gap ad held such high pop culture status, in fact, that it could make or break a celeb’s career.

To book a Gap commercial was like winning a spot on the Mickey Mouse Club. It was the foot in the door a celeb needed to propel himself or herself to superstardom.

It may be hard to believe, but lots of your favorite celebrities once starred in print ads and TV commercials for the mall chain. Can you remember who? Check out every single one in the slideshow, ahead. We bet you'll find more than a few that you forgot about.