When preparing for her solo promotions, Taeyeon tends to show Tiffany the unedited songs and music video to ask for her opinion.
Taeyeon's Mom won a singing competition as a kid, and her Dad was the vocalist of a band.
Taeyeon is ranked 49th on TC Candler “The 100 Most Beautiful Faces of 2018”.
Taeyeon and EXO's Baekhyun dated for 14 months from June 2014 before breaking up in September 2015.
Taeyeon has a habit of sleep talking. During Taeyeon's debut years, she used to introduce Girls' Generation in her sleep.
In October 2017, her contract with SM Ent. expired but she decided to renew it.
Taeyeon ranked 54th on TC Candler “The 100 Most Beautiful Faces of 2019”.
Taeyeon used to sleepwalk.
Since April 2012, she became a part of the subgroup, TTS (TaeTiSeo), together with Tiffany and Seohyun.
On November 28, 2017, Taeyeon got involved in a car accident. She returned home safely without injuries.