The hardest part of every manicure? Picking your polish among approximately 7,523 options. Add in accent nails, color trends, and whatever design Katy Perry’s fancying this week, and the decision process is not unlike asking a group of tweens to agree on their favorite One Direction member. (Read: very difficult, and possibly traumatic.) Fortunately, Paintbox nail studio is always on-point with a tightly edited manicure collection inspired by the season's biggest runway trends. So whatever you pick, you’re in good hands. R29’s getting in on the action with our very own “This Or That” design, available in three hot color combinations from July 14 to August 14. Ready to nail this look? We’re giving 10 lucky winners free Paintbox manicures. Cross your fingers, and enter to win below!