United Kingdom, April 29 -- Paul Rudd suffered an embarrassing wardrobe malfunction while starring in a theatre production with Rachel Weisz.

The 56-year-old actor has recalled how audiences were left giggling when he revealed more than he bargained for during a stage play with 'The Mummy' actress.

Speaking on the 'SmartLess' podcast, Paul said: "I was lying on top of a bed and I was wearing boxer shorts and a T-shirt and all of a sudden - this had never happened before - I heard the audience laughing.

"And I'm like, what is going on? I realised it's because I was lying on the bed and I had my leg up and my balls were hanging out, which is worse than actually, penis - it's like, just your balls."

The podcast's co-host Will Arnett coul...