Tate later invited Dandois to the United States, to assist in her in training for her second fight against Ronda Rousey.

In January 2009, Cindy Dandois made her professional MMA debut, defeating Marloes Coenen.

Dandois was going to fight Gina Carano after the latter had lost to Cris Cyborg, but had to withdraw due to getting pregnant.

[8] After three years of inactivity due to pregnancy Dandois became active again, and signed with Invicta Fighting Championships.

[10] Dandois' next opponent was Megan Anderson, who she defeated by triangle choke submission at Invicta FC 14: Evinger vs.

She made her debut against Reina Miura at Rizin World Grand Prix 2017: 2nd Round on December 29, 2017.

[21] In November 2019, Dandois accused her then boyfriend Mustapha Brika, who is also a MMA fighter, of assaulting her and breaking her nose.