Derek Hough at the DWTS Studios in LA on October 7, 2012 - PCN
Derek Hough in tight red pants makes us swoon, so shirtless and hot pants? Now that's just not fair.
Click through the gallery to see the Dancing With the Stars Season 15 All-Stars pro shirtless while walking outside the dance studios in LA earlier in the week.
Catch a new episode of Dancing With the Stars Season 15: All-Stars on Tuesday, October 9 at 9 p.m. ET/PT on ABC.
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