McCool originally worked as a middle school teacher in Palatka, Florida. She joined WWE in 2004 after being a part of the WWE Diva Search. In her first on-screen appearances, she used the gimmick of a personal trainer. She later changed it to that of a teacher. At The Great American Bash in 2008, McCool became the first WWE Divas Champion. She was champion for about five months. She won the WWE Women's Championship at The Bash in 2009. She was the first wrestler to have held both titles. At Night of Champions in 2010, she combined both titles and became the first and only WWE Unified Divas Champion. McCool held both titles twice. This makes her a four-time champion overall. In November 2010, she was ranked number one in "Pro Wrestling Illustrated"'s Female 50, She retired the next year.