1 of 111It's the weekend, it's Xmas and those celebs don't need prompting.
They're here to party the house down, with Mary-Kate Olsen at the front of the queue.
Come see the stars whet their shindig appetites.
Razzle dazzle us, MK - we love your laid-back look.
Find all the latest about your favourite star
Social bookmarking allows you to save and categorise a personal collection of bookmarks and share them with others. This is different to using your own browser bookmarks which are available within your web browser.
Use the links on the left to share this page on the social bookmarking site of your choice.
Read more about social bookmarking at: Wikipedia - Social Bookmarking