Sarah Nyc, and her three best friends are all turning thirty this year! With this momentous occasion on the horizon, they're looking for a way to make it a special celebration but work, husbands, and boyfriends, make planning a girlfriend getaway a challenge. Sarah, Cristina, Laura, and Gia are in for a big birthday surprise when they find out they'll be celebrating together in London, England, and HGTV is picking up the tab! The three amazing properties we've lined up for them will make the decision of where to stay a tough one.