Paris Pumps Up for Pokey

5/25/2007 1:23 PM PDT
Forget about her sex tape (you probably already have), here's the Paris Hilton workout tape!

The soon-to-be-imprisoned heiress hit the iron yesterday afternoon at L.A. Fitness in Westwood, supported by her usual paparazzi posse.

Paris is clearly prepping for her upcoming stint in jail, getting ready to fend off any wayward shiv-wielding convicts, and then it will be back to the Hollywood social whirl!