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Believe it or not, heartthrob Justin Theroux turns the big 5-0 today, and we're celebrating by checking out his most iconic on-screen moment to date. Not everyone achieves superstardom simply by having a hung cock, but that was more or less Justin Theroux's experience after the world got a look at his bulge on the 2014 pilot episode of The Leftovers.

That Time Justin Theroux Invented Grey Sweatpants

Justin Theroux began dating A-lister Jennifer Aniston in 2011 (the two later split in 2018) so it is safe to say that he was a big star prior to nabbing a prominent role in The Leftovers. He landed a memorable guest spot on Sex and the City as Carrie's premature-ejaculating boyfriend, and of course, showed his penis on the LGBT-friendly series Six Feet Under. Aside from those two small-screen roles, Theroux was actually in a number of high profile movies, including the iconic Mulholland Dr., as well as Miami Vice, Zoolander, American Psycho, and to an arguable degree of success, Charlie's Angel's: Full Throttle. It's a classic I tell ya!

Despite all of this success, I have a hard time believing Theroux was the man every time you close your eyes prior to The Leftovers. He was busy, but far from the huge-cocked icon that he is today. In a scene that not only changed Justin's life - but the lives of all of us who see the beauty and power in penises the length and width of sweet potatoes - Justin casually goes for a job in grey sweatpants. Despite being fully clothed, this is undeniably his hottest scene to date. We see Justin's huge penis and enlarged low hanging balls swing from side to side as his meaty thighs push this bountiful fruit bowl back and forth. So much sweating. So much chafing. It's all just working.

During an interview with Conan O'Brien, Theroux divulged that in a following jogging scene, the crew asked him to wear multiple pairs of underwear to keep his penis and balls in check:

There are two jogging scenes in the show — there’s one in the pilot episode and then one a little bit later. When I went to go get my wardrobe for the second jogging scene way later, there were my jogging pants and then there were two pairs of underwear.

No underwear! Ever! Help us wish Justin Theroux a very happy birthday by reliving his jogging scene in these amazing GIFs. Oh, he loves it.