While she worked Off Broadway in New York City in the 80s, Jennifer Aniston supported herself by working as a bike messenger among other menial starving actress jobs. So says Wikipedia, this online biography, and this interview in Elle.
Somebody thought I was waxing celebritous when I blogged about "Britney, my hero!" and her amazing feats folding sheets. (I had a picture, but like me, he doesn't know what ms. spears looks like) He said the link ( http://www.pomonahistorical.org/12times.htm ) looked like 'pornohistorical' so he clicked right through - who knows what he was thinking 12 times referred to :D :D