Lee Jung Hyun will be joining Seohyun and S.E.S for the upcoming 'INFINITYChallenge' year-end special!

The singer-turned-actress is said to be appearing due to the encouragement of fans and has already adjusted her schedule for the special 'ToToGa' episode of the popular reality show. She'll be singing her past hits "Wa" from her first album in 1999 and "Joollae" from her second in 2000. 

As previously mentioned, the 'ToToGa', planned by Park Myung Soo and Jung Jun Ha, will bring popular '90s artists together for a year-end performance. It will be filmed at MBC Dream Center in Ilsan on December 18.

Stay tuned for updates!