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We've had the pleasure of witnessing Harry Potter's Neville Longbottom transform into the sexiest wizard (no Polyjuice Potion required), so it was only right that we found others who've Longbottomed over the years like Matthew Lewis. Turns out, many of our favourite male stars started from the (Long)bottom before becoming Hollywood eye candy. Some changed so drastically that you'll hardly even recognise them in their younger years. See 13 guys who went from duds to studs ahead!

Dev Patel
Justin Timberlake
Chris Pratt
Calvin Harris
Ryan Reynolds
Daniel Craig
Zac Efron
Patrick Dempsey
Joseph Gordon-Levitt
Josh Peck
Dwayne "The Rock" Johnson
Robert Downey Jr.
Matthew Lewis
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