Ellis made her professional mixed martial arts debut on November 6, 2004 at HOOKnSHOOT - Evolution. She faced Mandy Stewart and was defeated by submission due to a triangle choke in the first round. Ellis entered the 2005 HOOKnSHOOT Women's Grand Prix on November 19, 2005, but was defeated by Molly Helsel in the second round. On November 15, 2006, Ellis faced Miku Matsumoto at Smackgirl - Women Hold Their Ground. She won the fight by submission due to a scarf hold armlock in the first round. Ellis made her Fatal Femmes Fighting debut at FFF 1 - Asian Invasion on February 17, 2007. She faced Masako Yoshida in the main event for the FFF Flyweight Championship. Ellis won the fight by Unanimous Decision after five rounds. She defended her FFF title against Taeko Nagamine at FFF 2 - Girls Night Out on July 14, 2007. Ellis won the fight by rear-naked choke submission in the first round. Ellis faced Megumi Fujii at BodogFight - Vancouver on August 24, 2007. She was defeated by armbar submission in the first round. She returned to Fatal Femmes Fighting at FFF 3 - War of the Roses on November 3, 2007. Ellis moved up in weight to 135 pounds and faced Megumi Yabushita in a non-title fight. She defeated Yabushita by Unanimous Decision. Ellis entered the 2008 Smackgirl World ReMix Tournament on February 14, 2008. She faced Ayumi Saito and defeated Saito by submission due to a toe hold late in the first round. She faced Ana Michelle Tavares in the second round of the ReMix Tournament on April 25, 2008. Ellis was defeated by Unanimous Decision. Ellis rematched Miku Matsumoto for the DEEP Women's Lightweight Championship at DEEP - Toyama Impact on June 28, 2009. She was defeated by armbar submission in the third round. On May 24, 2010, Ellis announced that she had signed with Bellator Fighting Championships. She faced Stephanie Frausto at Bellator 22 and won the fight by technical submission due to a rear-naked choke in the first round. Ellis signed on to be part of the 115-pound women's tournament and she faced Aisling Daly in the first round. The fight was originally scheduled for Bellator 25, but instead took place at Bellator 26 on August 26, 2010. Ellis won the fight via unanimous decision. Ellis once again faced Megumi Fujii in the second round of the Bellator tournament at Bellator 31. She was defeated by armbar submission in the first round. Ellis was scheduled to face Ayaka Hamasaki in a non-title bout at Jewels 12th Ring on March 11, 2011 in Tokyo, Japan, but suffered a calf injury and was forced to withdraw from the fight. Ellis faced Jessica Aguilar in a rematch at Bellator 58 on November 19, 2011. She was defeated by unanimous decision. Ellis dropped down to 105 pounds to face Jessica Penne at Invicta Fighting Championships 1 on April 28, 2012. She lost the fight via TKO in the third round. On July 14, Ellis faced Amy Davis in a 110-pound title fight at United Combat Sports: Caged Combat 6. She defeated Davis by armbar submission in the first round.
On July 3, 2014, it was announced that Ellis was one of the contestants on . Ellis was the fifth fighter to go to coach Gilbert Melendez. She faced Jessica Penne in the preliminary round and lost via submission in the first round.
After TUF
Ellis' first fight after The Ultimate Fighter was against Felice Herrig at on December 12, 2014. She lost the fight via submission in the second round. Ellis faced Bec Rawlings at UFC Fight Night 65 as a replacement for the injured Seo Hee Ham. She lost the fight via submission in the first round and was subsequently released from the promotion.
Ellis entered the 2012 Shoot Boxing Girls S-Cup on August 25, 2012 in Tokyo, Japan. She was defeated by Seo Hee Ham via unanimous decision in the opening round of the tournament.
Personal life
Ellis co-owns the United Training Center gym with fellow fighter Eddy Ellis. She married Eddy in July 2010. The Ellises' first daughter, Elenor, was born in 2013.
