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3. Hair Glitter

Why hair glitter may be too young for you to wear: "Real Housewives of Beverly Hills" star Adrienne Maloof, 49, is just one of the latest celebrities to try out the trend of hair glitter or hair tinsel, which on her are strands of shiny gold added to her hair.

A better alternative to hair glitter: Changing up your hair is key to keeping a fresh, up-to-date look, but being too faddish in middle-age can make you look like you are trying too hard to stay young. Instead of glitz, try sophisticated lighter highlights around your face to light up your skin or go with a deep rich brunette or red.

More Too Old to Wear It? features:

• Too Old to Wear a Choker?
• Too Old to Show This Much Skin?
• Too Old to Wear Long Hair?
• Too Old to Wear Pigtails?
• Too Old to Wear Nerd Glasses?
• Too Old to Show Cleavage?
• Too Old to Wear Leggings and Skinny Jeans?
• Too Old to Go Braless?

Age-appropriate trends:

• 11 New Looks to Try in '11
• 7 Looks You Can Wear Better Than a 20-Year-Old