What, you couldn't make it to the hottest star-studded parties this week? No problem, we've got you covered. Come party-crashing with me as I count down the three hottest celeb bashes of the week.

Who did Jon Gosselin take clubbing with him in Vegas? (Hint: It wasn't his mom). Who's birthday party did new couple Khloe Kardashian and Lamar Odom attend together? And what book bash brought out famous fashionistas like Jessica Alba and Lauren Conrad?

Hit the clip above to find out!

Want more A-list action? Check out our Party Pics: Hollywood gallery!

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