Marie Osmond, the legendary singer and beloved TV personality, has caused quite a stir with her latest style switch-up. Known for her classic brunette locks, the 64-year-old star has surprised fans with her stunning new blonde hairdo in a recent video. “Wow, you look like a completely different person!” commented a fan. Others chimed in with reactions ranging from sheer amazement to gentle questioning, like, “Oh my Marie, why the drastic change?” “I’m not sure I even recognize you if I ran into you as a blonde. You look like a completely different person [sic],” commented a user. “Blond is def…