D'Alelio was scheduled to face Julie Kedzie at Jackson's MMA Series 2 on September 4, 2010, but the fight was canceled after Kedzie signed on to take part in the filming of the Ultimate Women Challenge reality show. D'Alelio's fight with Kedzie was then was rebooked for Jackson's MMA Series 3 on December 18, 2010, in Albuquerque, New Mexico. She lost to Kedzie via unanimous decision.
Strikeforce
announced at its April 9, 2011, event in San Diego that Gina Carano would make her return on June 18 at the American Airlines Center in Dallas, Texas, during the Overeem vs. Werdum Strikeforce event against D'Alelio. Initially, Strikeforce announced that Carano had failed her pre-fight medical examination due to an unknown issue and the fight was pulled from the card. As the story developed, it became public that Carano was medically cleared by the Athletic Commission but was removed from the card for unknown reasons. D'Alelio was then scheduled to make her Strikeforce debut against Ronda Rousey on July 30, 2011, at in Hoffman Estates, Illinois. The fight was pushed back and eventually took place on the Strikeforce Challengers 18 main card on August 12, 2011, in Las Vegas, Nevada. Rousey defeated D'Alelio by technical submission due to an armbar early in the first round. D'Alelio contended that she did not verbally tap out and that the fight was prematurely stopped by the referee.
Invicta Fighting Championships
D'Alelio made her Invicta FC debut at against Vanessa Mariscal, winning via submission in the second round. She then fought and defeated Vanessa Porto via submission in round one at on July 28, 2012. D'Alelio faced Shayna Baszler at on October 6, 2012. She lost the fight via submission due to a rear-naked choke early in round two. On January 5, 2013, D'Alelio faced Amanda Nunes at. D'Alelio won the fight via unanimous decision. D'Alelio faced Lauren Taylor at on July 13, 2013. D'Alelio lost the close fight via unanimous decision. At Invicta FC 7, D'Alelio replaced Kelly Kobold in a fight against Tonya Evinger. D'Alelio lost the fight via unanimous decision.
D'Alelio made her Bellator MMA debut at Bellator 165 on November 19, 2016. She faced Jamielene Nievera and won the fight via submission in the second round.
