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Nowadays, looking at the dapper, suit-and-tie clad Justin Timberlake, it's hard to imagine he was once a tween sensation with two rather large earrings, frosted tips, and a thoroughly millenial wardrobe (in the worst way possible). Even those of us who experienced his heyday in the excitable heights of our early teenage years have a hard time understanding why we found him so attractive. Clearly, somewhere along the way, something happened to turn him into the — let's just come out and say it — sexy beast that he is today. Today, R29 investigates that mysterious transformation. Was it foul play? Was it the work of a back-alley straightening brigade? Was it all Britney's fault? Only
time a five-part slideshow will tell.