Been sporting the same cut from your 20s? That's old news. For a more youthful appearance, it all starts with your hair. READ: 8 Ways To Get Gorgeous Hair While You Sleep Just as your face changes as you get older, so should your mane, and keeping the same look from decades past isn’t doing your facial features any justice. Stylists agree that getting an age-appropriate cut will not only flatter your face, but it could also make you look younger without going under the knife-and who wouldn’t…