McPhee gets ready to strut for a good cause at a N.Y.C. Fashion Week event. Plus: Nick & Vanessa, Lauren Conrad and more

IT'S HER BIRTHDAY!

With BFF Heidi Montag by her side, The Hills star Lauren Conrad celebrates her 21st birthday at a bash thrown in her honor by Avon's mark. at Hollywood club Area on Thursday. Conrad was just tapped as the beauty brand's first-ever spokesperson.