Simon Cowell's son is his "right hand man".

Simon Cowell

Simon Cowell

The 56-year-old music mogul thinks two-year-old Eric - who he has with girlfriend Lauren Silverman - is already a "good critic" and he is finding the tot's presence at the 'America's Got Talent' auditions invaluable because his responses help him gauge whether the acts are entertaining or not.

Simon told People magazine "I've got to tell you, he's going to be my little right-hand man - anything he likes I like.

"He's brilliant, he comes down to the auditions and really enjoys the acts. He's very good to watch, funnily enough, because I can see when he's bored and when he's up dancing. He's a good critic already. He's unpaid, but he's helping me!"

But, it seems Eric doesn't really have too much of a grasp on what it is his dad actually does.

Simon recalled: "The other day I when I was going to work, I said, 'What does daddy do for a job?' and he said 'you push buzzers!'"

Whilst living with his son and his girlfriend could not be more different from Simon's old bachelor lifestyle, the talent judge insists his pristine white houses are still in good order - though he regularly needs help getting his carpets clean.

He said: "Along with our pet dogs Squiddly, Diddly and Freddy, let's just say the carpet business is a great business to be in right now."

Despite his years of judging experience, Simon felt nervous about joining Heidi Klum, Mel B and Howie Mandel on the new season of 'America's Got Talent'.

He said: "What was funny was that I felt like the new boy on 'AGT' because these guys have worked together for so long.

"They kept kidding that I was the boss. I thought they were the boss and I was the new boy who's gone to a new school and hoped they liked me.

"Actually we got on brilliantly -- it was much, much easier than I thought it was going to be."

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