Trainer Thursday!

Fitsugar is a great website to find videos from the trainers of your favorite stars! Today's video comes from Jessica Alba's trainer!

This crossfit workout will get your heart pumping and your muscles burning so prepare to be exhausted and proud at the end!

Want more videos from trainers that create those amazing sculpted bodies you see in every magazine? Follow the Fitsugar link above to check out a ton of great work outs!