![Lindsey Vonn -- Taking Tiger Woods' Kids to School [PHOTOS]](http://ll-media.tmz.com/2013/05/20/0520-lindsey-vonn-tiger-woods-kids-school-launch-117x81.jpg)
The 26-year-old showed off his pumped up pecs and biceps by going shirtless in L.A. on Wednesday.
Tens across the board.
Derek Hough -- Lean, Mean Shirtless Dancing Machine
We know what "Dancing with the Stars" pro Derek Hough has been doing during his summer vacation ... working out!
The 26-year-old showed off his pumped up pecs and biceps by going shirtless in L.A. on Wednesday.
Tens across the board.
The 26-year-old showed off his pumped up pecs and biceps by going shirtless in L.A. on Wednesday.
Tens across the board.
