Let your home have as much fun as you this Summer by updating your interior design to match the season's vibrant, playful vibe. Don't worry, you don't have to completely overhaul your space; simply swap out a few key pieces of decor to give your abode an affordable Summer makeover. We've gathered up 19 items that will make every room of your house feel as festive as the beach on the Fourth of July. And best of all, everything is under $50. Keep reading to check them out.