@InStyle's Top Tweets of the WeekGregory Pace/BEImages; John Shearer/WireImage; Larry Busacca/Getty

What do a Gossip Girl, Lady Gaga and a Grammy diva have in common? They all had major style moments! Here’s what our Twitter fans loved this week:

1. Blake Lively ups the ante on her skinny jeans with Louboutin mary janes.
2. Lady Gaga walks the Grammys red carpet in custom Giorgio Armani Prive.
3. Grammys style: Jennifer Hudson shows off her slimmer self in a dress from the Victoria Beckham Collection.
4. This Just In: Gisele‘s post-baby body, Ugly Betty cancelled, makeup tips from a MAC pro!
5. How to do dark nail polish right!

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