We would be over the moon too if we were cast opposite Justin Timberlake and it looks like Cameron Diaz is more than a little excited by the idea.

The Hollywood beauty hasn't had a long term relationship since her split with the Sexy Back singer in 2007, and it has been widely reported that she is still keen on JT.

What better opportunity to get your man back than having to seduce them in a film.

Cam is reportedly “thrilled” that Justin has been cast opposite her in the new film Bad Teacher.

She told Access Hollywood's Billy Bush, "We're thrilled to have him. He's the best person for the job. He's going to be hilarious. He's clearly a very talented comedian, look at his Saturday Night Live (skits). He's fantastic, he's going to be so great.

"We just had our first day of shooting yesterday with Jason. And we just laughed all day. It's so wonderful, I'm so excited.”

We bet you are love. Wonder if Jessica Biel's feeling quite so chirpy though?!

Would you be paranoid if you were Jessica Biel?