You never know what you're going to see on America's Got Talent, whether it's singing, juggling, dancing, or — ...

The 65-year-old music mogul sported a dark grey T-shirt with a scoop neckline ... others spend decades trying to do,' head judge Simon Cowell said. 'You're that good, seriously good.

But Simon Cowell has shocked fans and come under scrutiny ... Cowell was known for his casual wardrobe of black T-shirts and jeans, but his face still showed the hallmarks of natural ageing ...

The father and son duo rocked similar outfits for the outing, both donning dark T-shirts with Simon opting for a pair of black tracksuit bottoms while Eric donned black shorts and Nike trainers.

He worked closely with Simon Cowell and was a frequent face on The ... ‘And I think he has about 20 identical T-shirts. I remember once, he had a hole in one, so he just reached into a bag ...