Get Jessica Simpson's Butt

How did Jessica Simpson squeeze into her Daisy Dukes? Her trainer, Mike Alexander, stopped by to show "GMA" viewers the way.

Simpson's goal was to get toned, without adding bulk. Alexander said the most important thing is to be consistent, stay hydrated and be patient.

The "Don't Eat Crap" Diet

No sugar

Only wheat bread

No fried food

The workout at a glance

5-6 days a week

20-30 minute cardio

45-60 minutes of resistance training

The moves

Squats: 2-3 sets, 20 reps

Lunges, each leg: 2-3 sets, 12 reps

Shoulder flexion: 2-3 sets, 18 reps

Shoulder abduction: use lower weight

Maintenance workout

3-4 days a week

15-20 minutes of cardio

30-45 minutes resistance training