Christie Brinkley has been celebrating her 67th birthday this week, and she wasn't going to let the festivities stop despite the day being over.MORE: Christie Brinkley is stunning popping out of a cake as she celebrates 67th birthday On Thursday night, the model gave fans a peek inside her birthday party, which took place in her Hamptons home, with her children present."So far I'm LOVING 67! Thank you to my sweet, sweet family for spoiling me rotten and to all of you lovelies who brought me so