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Credit: Courtesy of Chick Downtown; Humberto Carreno/startraksphoto; Lee Broomfield

Nail polish is always a hot topic in our Twitterverse (especially when we're giving away over 1200 bottles!). And who can resist dresses and diamonds? Here's what our Twitter fans loved this week:

1. Is your boyfriend about to pop the question? Make sure he sees this first!2. 8 stylish dresses under $100!3. Dear Blair Waldorf, Please bring back the headbands!4. 20 days of free nail polish!5. Vanessa Hudgens has one of hottest celebrity hairstyles of 2009!

Follow InStyle on Twitter for breaking style and beauty news and the chance to win hot products in our exclusive giveaways!