Hey guys, some exciting stuff is going on with my fellow celeb bloggers. Check it out!…

• Brody introduces Leona Lewis at Z100’s Jingle Ball — I adore her! (The pic to the left is of me and Khloe when we did the red carpet in Australia over the summer. If you look closely, you can see Leona on the right!)

• Khloe visits ghosts of Christmas past.

• Whitney explores producing for television.

• Mischa goes green. Check out her tips!

• The Hills finale: Audrina before and after.