1. The Twilight Saga: New Moon breakout star and fan-favorite, Ashley Greene, breezes through five of her best and worst looks, explains what she's learned from her fashion mistakes, how she felt at the Twilight premiere, and what her number one style tip is, when we ask her "What Were U Thinking?"

More On Ashley's Style

  1. Ashley's Jimmy Choo obsession is in full effect as she explains what she's wearing today.

  2. Ashley explains why leather jackets and bright floral prints just don't mix.

  1. From fresh-faced beauty to gothic vampire, see how Ashley's style has evolved in our photo recap!

  2. Biters, slayers, fang-friends and more! Check out other vampire-film stars' red carpet looks.

  1. Ashley teaches Alexa how to pitch like a Cullen at MTV's 'It's On with Alexa Chung.'

  2. Which of Ashley's looks best fits your personality? Take the quiz and find out!

  1. Internet comedy star Debra (John Roberts) imagines being immortal besties with Ashley Greene.

  2. Tammy Tibbetts talks about donatemydress.org and having Ashley as their spokesperson.

About Ashley Greene

What would happen if we took your favorite fashionable celebs, showed them five outfits they've worn out in public over the years, and asked them "What Were U Thinking?" You're about to find out!

This week, we're asking actress Ashley Greene. When Ashley set out from Jacksonville, Florida on the road to Hollywood, California, she had no idea at the time that she would end up starring in the film adaptation of the most popular series of books since 'Harry Potter.' That series was 'The Twilight Saga,' written by Stephanie Meyer, and since the books first hit the stores, they've become a national phenomenon. Ashley was cast as vampire Alice Cullen, sister of Edward Cullen and friend of Bella Swan, the lead characters. Since that time Ashley's been put through a crash course of how to dress for the red carpet and the paparazzi – no leather jackets and floral dresses, clutches instead of bags, and don't overdress when it's not your premiere! Her striking beauty and figure have caused many to comment on her similarity to another Hollywood fashion icon, Audrey Hepburn, someone Ashley adores and uses as fashion inspiration.

Ashley also became involved in Donate Your Dress, a charity where girls donate gently used prom dresses to girls who can't afford them. Ashley's eager to see that everyone can have a night of glamour and beauty, no matter what. Now with New Moon coming out, we'll definitely be seeing a lot more of Ashley Greene and her fabulous fashion sense on the red carpet.

MTV would like to thank Fairy Godmothers, Inc, Prom Fair, LA's Prom Closet, Caitlin's Closet, Kenzie's Closet and Cinderella's Closet for their contribution to this episode of WWUT.

Past Guests

  1. We asked Jessica Szohr 'What Were U Thinking?' on October 21. Watch the episode now!

  2. We asked Nelly Furtado 'What Were U Thinking?' on September 28. Watch the episode now!

  3. We asked Kim Kardashian 'What Were U Thinking?' on September 21. Watch the episode now!

  4. We asked Kristin Cavallari 'What Were U Thinking?' on September 9. Watch the episode now!

  5. We asked Keri Hilson 'What Were U Thinking?' on August 24. Watch the episode now!

  6. We asked Adrienne Bailon 'What Were U Thinking?' on August 10. Watch the episode now!

  7. We asked Kelly Osbourne 'What Were U Thinking?' on July 27. Watch the episode now!