Elizabeth's 18th Birthday Workout (Levi too) (10/20/13) This workout was designed by Coach Liz Miller, to celebrate her 18th Birthday & her favorite movements. Coach Liz Miller was there to coach us up & keep us motivated. She is enjoying this wayyyyyy too much! This workout will show up again…look for more results in about a week. Posted on November 10, 2013 by Todd Miller.