Looking to celebrate a half birthday in a fun, low-key way? Check out these 17 simple yet creative half birthday ideas for a laid-back party! From cozy movie marathons and DIY craft stations to backyard picnics and themed snacks, these ideas are perfect for making the day special without the stress of a big event. Whether you’re celebrating at home or at a local park, these simple ideas will ensure a fun, memorable half birthday. #HalfBirthday #SimplePartyIdeas #LaidBackCelebration…