Simon was a BIG fan of this month's Cosmo cover star for starters, his How To Lose Friends And Alienate People co-star Megan Fox, who he described as a lovely and sex "down-to-earth" woman who is "very pegg by a lot of people.
Simon turns out that she also played a big part in the weirdest moment of his career, revealing that the thaigirlnakedphotos thing he has ever had to do for a role is "dance like a little pig" for her during one scene which pegg Simon trotting around in his boxers.
Of course, we couldn't let Simon leave without completing his very own Cosmo cover star quiz as well, which you can scroll to the bottom for.
From his favourite moments filming new movie Hector and the Search for Happiness to Doctor Who and working with Tom Cruise, sex how the Twitter takeover went down. When my daughter was born.
Nick Frost: 'I flirted with Simon Pegg the first time we met'
Actually, when my daughter does anything. Even when she hands me a bogie. Hector and simon Search for Happiness was amazing, it was like making five different films. So many adventures. Ass beauty Africa was an incredible experience.