Simon Cowell has confirmed that Khloé Kardashian and Mario Lopez will be hosting US The X Factor.

The music mogul and the co-creator of this TV talent competition is elated to welcome Khloé and Mario to the show.

Simon believes that the pair will do an excellent job.

"The worst kept secret in Hollywood is out," Simon said in a statement to MTV News. "Mario and Khloé are our hosts. They will debut on our first live show in November and I couldn't be happier."

Khloé is convinced that she and the cast will have a great time.

"I'm so thrilled to become a part of the X Factor family," she gushed.

"I've been a big fan of the show and look forward to working with Simon and all of the judges. It's going to be so much fun!"

Mario is a veteran presenter and he is currently an anchor for Extra.

The star can’t wait to take his skills to the next level on the programme.

"I'm very excited to be joining the X Factor team," Mario said.

"I love the show, and I've been a big fan of Simon Cowell and the judges for a long time. Khloé and I have been friends for years and I know we'll be a great team and have a blast."

Britney Spears, Demi Lovato and L.A. Reid are co-panelists with Simon on the judging panel.