17 Dazzling Star Sparklers

These gems have five Cs: cut, color, clarity, carats and celebrity! See the big bling worn by Hollywood's most engaging women

KRISTEN BELL

Dax Shepard picked a perfectly unique bauble for fiancé Bell in late 2009: a fancy-colored, emerald-cut diamond weighing more than 3 carats and set in platinum with small white diamond accents.