Transforming your teenage bedroom into a personal retreat is easier than you think! With the right wall decor, you can showcase your unique style and create an Instagram-worthy ambiance that reflects your personality. From boho-inspired macramé hangings to vibrant gallery walls filled with your favorite memories, the options are endless. Get ready to unleash your creativity and discover 22 trendy DIY wall decor ideas that will make your space feel cozy, inviting, and totally you! 1. Boho Macramé Wall Hanging Transform your walls with a stunning DIY macramé wall hanging that adds a delightful bohemian flair to your teenage bedroom. By utilizing simple knotting techniques, you can craft a beautiful…