Let's make this birthday one to remember.

52 years old (Born on January 28, 1973)

Happy Birthday, Sonja! Another year of fabulous designs and timeless style—clearly, you're aging like your best creations: gracefully and always in fashion. Your label continues to inspire us all; honestly, we're still trying to figure out how you make elegance look so effortless.

From runway triumphs to trendsetting collections, you've stitched together a legacy that's as vibrant as your personality. May this birthday be filled with laughter (and perhaps fewer fabric mishaps), endless inspiration—and plenty of cake that matches the sophistication of your latest collection. Here's wishing you another year ahead that's even more stylishly unforgettable than the last!