The stars are shining brighter than ever these days, thanks to a few strategically placed jewels. From Scarlett's (necklace) headband to Kate's (brooch) hair clips, these girls prove that precious gems don't have to be as stiff as their price tags.

If you want to bedazzle your hair without the need for armed guards, try using your favorite costume jewels, or pick up a few cheap and cheerful hair accessories that sparkle.

Pictured from left: Scarlett Johansson, Kristin Chenoweth, Eva
Longoria and Kate Mara.

Source: Johansson, FilmMagic; Chenoweth, WireImage;
Longoria, Getty Images; Mara, WireImage