The 2011 Grammy Awards was full of biggest celebrities and their hairstyles, and as usual, there is a list of best and worst celebrity hairstyles:

The best celebrity hairstyles:

Dianna Agron: She was one of the few celebrities to sport an updo. Her backcombed top and sleek sides indeed made her updo sexier.

Her blonde hair color polished the look in an impressive fashion.

Rihanna: In Grammy Awards 2011, Rihanna changed her faux-rock style with a simple yet chic mid-length hairstyle. She was indeed looking pretty and probably everyone would love to see her stick with this hairstyle.

Miley Cyrus: Her longhair style was looking great! Her honey-tinged curls had the half down and half up hairstyle treatment, which gave a sophisticated look to her personality. She beautifully flaunted her loose waves and the side-swept bangs were enhancing her look.

The worst celebrity hairstyle:

Nicki Minaj: Her hairstyle was pretty mismatch and can be probably named as fashion blunder. At Grammy Awards, her frizz filled curls and leopard print hair color was a perfect mismatch.

Jennifer Lopez: Perhaps with her gorgeous outfit, Jennifer Lopez thought it would be better to have a low-key hairstyle. The slight frizz around her face and over straightened hair extension was not at all looking good.

Kelly Osbourne: Kelly Osbourne's Grammy hairstyle just didn't come off as anything other than a slight monotonous hairstyle. Her hairstyle was not looking attractive.

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