Ouellet was officially signed to a WWE developmental contract on August 24, 2006 and was assigned to OVW for training.She made her in-ring debut at a live event in December 2006.Despite her elimination, she was invited to observe workouts and the training facility at WWE's developmental territory, Ohio Valley Wrestling (OVW).
When Florida Championship Wrestling (FCW) opened in the summer of 2007, Maryse was transferred to the developmental facility for training, and on September 25, she made her FCW debut as the valet of Ryan O'Reilly along with Lacey Von Erich.
She then started competing in singles and tag team competition, before managing Ted Di Biase, Jr. She accompanied him to the ring when he captured the FCW Southern Heavyweight Championship.
On a "Smack Down after the bell video" on WWE.com, the tag team, Deuce 'n Domino dumped Cherry (who had been their manager) and replaced her with Maryse.
Maryse then insulted Cherry, only for Cherry to slap her.
She then came up short once again in title rematch on Smack Down.
On the September 23 episode of ECW, Maryse defeated Mc Cool in a non-title match.
She is currently the third-longest reigning WWE Divas Champion in history behind Nikki Bella and AJ Lee , having held the title for 216 days.
On October 28, 2011, Maryse was released from her WWE contract.
On the March 7, 2008 episode of Smack Down, Maryse competed in a swimsuit contest, against Victoria, Michelle Mc Cool, Cherry, and Eve Torres. On March 14, Maryse was the first eliminated from the swimsuit competition.