Ashley Green grey tights tank top buff gym work out Ashley Green grey tights tank top buff gym work out Ashley Greene isn't getting much of a break!

The model turned actress turned vampire is keeping fit while on a break from shooting Twilight.

Ashley was rumored to have been dating Joe Jonas, but a source says that's bs. Apparently the hottie has been hot and heavy with actor Brock Kelly for a while now!

Too bad -- they could have compared biceps!