With her uniquely striking looks, Jennifer Connelly doesn't need to do a lot to look stunning. Sleek, shiny hair showcases a special face. Well-groomed brows frame those unforgettable eyes. A little makeup for glow, and she's ready to go.

While an updo like this should give Jennifer Connelly's beauty a chance to shine, instead she looks like she has the flu. Her ungroomed brows, washed out skin and dry-looking lips cry out for chicken soup and a box of tissues. A little bronzer or blush and a swipe of lip color would improve things greatly.

Rihanna's stunning beauty manages to peek through this cluttered assembly of bad hair extensions, tight braids (ouch!), brassy highlights, severe eyebrows and garish eyeliner. But it's a battle. Rihanna, are you in there?

This chic little bob and simple makeup palette give Rihanna her due. Remember: beauty needs framing, not fussing.

With her tawny highlights, shiny hair, glowing skin, huge sparkling eyes and dimpled smile, Mischa Barton was once the epitome of the magnetic girl next door.