Hi Biffles!VH1, in partnership with USO, is hosting a concert in support of our troops overseas. Performers include R&B songstress, Keri Hilson and "California Gurl," Katy Perry! Viewers can show their support now by adding their Facebook profile picture to the Salute the Troops Mosaic or donating $1 to USO's Operation Enduring Care.And as always, you can purchase a BFF bracelet and get to know someone serving in the armed forces. It's an awesome token of support that will remind us of the ...