When preparing for her solo promotions, Taeyeon tends to show Tiffany the unedited songs and music video to ask for her opinion.
Taeyeon and EXO's Baekhyun dated for 14 months from June 2014 before breaking up in September 2015.
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”.
On July 15, 2020, Taeyeon’s “I” Becomes Her 1st MV To Hit 200 Million Views.
Taeyeon likes to play PUBG & StarCraft, her favorite race is Protoss.
In October 2017, her contract with SM Ent. expired but she decided to renew it.
Taeyeon has a habit of sleep talking. During Taeyeon's debut years, she used to introduce Girls' Generation in her sleep.
Since April 2012, she became a part of the subgroup, TTS (TaeTiSeo), together with Tiffany and Seohyun.
Taeyeon was in We Got Married with Jung Hyung Don (Idol Room MC).