The singer became a member of Team Christina on Monday night (February 20) following her audition performance of 'Mr Know It All' by Kelly Clarkson.
> Read Digital Spy's full The Voice headlines
Aguilera was the only coach to hit her button after Blake Shelton whispered across that she would be a great choice of contestant for her.
Aguilera told Benabou: "You were great. I was listening for the pitch. I thought it started out really strong, you had nice tone, you sounded powerful, you were genuinely consistent and you delivered."
Watch Monique Benabou's audition below:
Speaking to social media correspondent Christina Milian backstage, Benabou said: "I wanted either Christina or Cee Lo and I got it!
"I'm here to represent for Team Christina and girl power! Her feedback was just wow. To get feedback like that from Christina Aguilera is just up there."
She added: "I still don't believe this just happened. It's so fast! I just tried to stay so in the moment because I wanted to remember it."
The Voice airs Mondays at 8/7c on NBC
Watch Monique talking to Christina Milian below:
Browse a gallery of pictures from the latest blind auditions below: