Let's make this birthday one to remember.

43 years old (Born on September 21, 1981)

Happy Birthday to the fabulous Nicole Richie! From your hilarious antics on "The Simple Life" (we still chuckle remembering you asking about Walmart selling walls) to becoming a chic fashion icon, you've mastered balancing comedy and elegance like no other. Whether hosting shows or penning witty books, you're forever proving that life, when kept simple—and delightfully chaotic—is best.

Here's wishing another year of impeccable style choices—because let's admit it: nobody rocks oversized sunglasses better than Nicole Richie. Keep entertaining us with your vibrant humor and endless charisma; may this birthday spark more joyful adventures as unforgettable as yours on reality TV!