A glow-up is when you boost your physical appearance with a trim, new skin care routine, or fresh manicure, but, according to Adama Sesay, a professional astrologer and author at LilithAstrology.com, it also means overhauling your confidence, skills, money, hobbies, and all-around aura. "It's when you have awakened an authentic part of yourself and are more in alignment with who you truly are - increasing your radiance and magnetism due to feeling happier," she tells Bustle.