At last night's Grammys, Kristen Bell flashed a brand-new ring from her long-time beau (and When in Rome costar) Dax Shepard. "Yes they are engaged. Over the holidays," her publicist Marcel Pariseau confirmed to People. As we await details of the ring, we can only wonder if the dark-hued solitaire will trigger a trend for colored stones. Either way, Dax clearly has excellent taste in gems (and in girls)!