Girls’ Generation’s Taeyeon is back with her sixth mini album, Letter to Myself. | @TAEYEONsmtown/X She released various teaser content from images, highlight clips and even announced an upcoming countdown live. | @TAEYEONsmtown/X However, she garnered much attention for her unconventional fashion style. | @TAEYEONsmtown/X In the photos posted on her Instagram, she wore what…