Happy birthday, Olivia Palermo! The socialite-turned-reality star-turned It Girl turns 27 today and we’ve always admired her put-together style, no matter the occasion. From red carpet appearances to vacays in St. Barth’s with her fiancée to just strolling through NYC, this birthday girl seriously looks flawless every time. So cheers, Olivia. We can’t wait to see what you’re wearing today. In the meantime, check out our slideshow celebrating with her best style moments — and, of course, you can shop them too!