Enter to Win a Trip to The Hangover II Premiere and Afterparty With Your 2 Best Friends!

The Hangover Part II is almost here, and we're so excited to see what Phil, Stu, and Alan get up to in Thailand! To celebrate, we are giving away a once-in-a-lifetime experience where you'll get to experience LA with your own "wolf pack." You and your two best friends will receive a trip to LA, where you'll get to attend the red-carpet premiere of The Hangover Part II and the exclusive afterparty! That's not all – you and your best friends will get red-carpet ready with a full beauty makeover by the fabulous team at Warren Tricomi and get styled by David Meister in his gorgeous red-carpet looks. Best girls' weekend ever! First "like" PopSugar and Hangover on Facebook and then enter to win by taking our fun trivia quiz testing your knowledge on the original wolf pack – Stu, Phil, and Alan. Check out the official rules here. If you're not already a PopSugar member, register now for free. The sweepstakes ends May 10 at 11:59 p.m. PDT. The Hangover Part II opens in theaters nationwide on May 26!

Step 1: Like PopSugar and Hangover on Facebook!

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The Hangover

Step 2: Take Our Quiz Below!

Take the quiz

Who Are Your Top 10 Celeb Style Favorites?

The 2011 PopSugar 100 is up and running and this year we want your help selecting a winner by creating 12 personalized top 10 lists! The celeb style favorite category is changing leaders daily. Brit Emma Watson and royal princess Kate Middleton are leading the pack of well-dressed ladies while Blake Lively, Jennifer Aniston, and Victoria Beckham are holding on to their top 10 spots. You can help advance your fashion favorites ahead in the ranks by clicking below and following the easy instructions. Now, start playing and sharing your results on Facebook to compare all your lists with your friends!

Of course, the PopSugar 100 is also your chance to win prizes, and in partnership with Portero.com, we're offering up four luxurious items! Winners are eligible to win one of the following: a Chanel bag, an Hermès Kelly bag, an Hermès CdC cuff bracelet, and a vintage Rolex watch! The more lists you complete and share, the more times you are entered - check out the official rules here.

Anna Faris & Chris Evans: 'What's Your Number?' Trailer!

Check out the trailer for Anna Faris and Chris Evans’s new comedy, What’s Your Number?

Synopsis: A woman looks back at the past 20 men she’s had relationships with in her life and wonders if one of the might be her one true love.

The flick, hitting theaters September 30, also stars Zachary Quinto, SNL’s Andy Samberg, Dave Annable, Community star Joel McHale, and Anna’s real-life husband Chris Pratt!

WILL YOU WATCH Anna and Chris in What’s Your Number?

What’s Your Number? Trailer