The 17th annual Sally Beauty Best Tressed Survey, commissioned by Sally Beauty Supply, polled results from 1,000 women on 2010's best and worst celebrity hair styles. Lady Gaga's over-the-top styles were voted least favorite for the second year in a row, but women love the luscious locks of American Idol judge, Jennifer Lopez. Tom Selleck rose to the top in the men's category, while David Hasselhoff's retro 'do was rated as the worst. Here are the results:

2010 Best Women's Hair styles
• Jennifer Lopez
• Beyonce Knowles
• Katy Perry

2010 Best Men's Hair styles
• Tom Selleck
• Ryan Reynolds
• Justin Bieber

2010 Worst Women's Hair styles
• Lady Gaga
• Dolly Parton
• Miley Cyrus

2010 Worst Men's Hair styles
• David Hasselhoff
• Brett Michaels
• DJ Pauly D

Best and Worst 2010 Celeb Styles

Best and Worst 2010 Celeb Styles

Best and Worst 2010 Celeb Styles

Best and Worst 2010 Celeb Styles

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