In Malibu. I can’t tell if Derek is happy or not. 
Only a pic of his back, but it’s a nice one. From Star Magazine Online.
Apparently, Cheryl threw the party (click for more pics). There are a TON of Derek pics at this site, but they’re all too small. If anyone comes across more large ones, let me know. Can’t figure out what the boy is doing here:
Yay, found another hot picture from People online
[...] According to People and StarTraks Photos Cheryl also threw a 4th of July party in Malibu. If the pictures are anything to go by, she and Derek (at least) had a great time. There are a couple more larger pictures of Derek and Cheryl at Pure Derek Hough. [...]