f(x) (에프엑스) was a four-member girl group under SM Entertainment. They officially debuted on September 5, 2009 on MBC's Music Core by performing their first single "La Cha Ta", which was released on the 1st.
The group received the title of "Asian Pop Dance Group" by their label and are touted as a multinational group since f(x) consists of members from China, United States and South Korea.
2016–2019: Inactivity and departures from SM
The group largely went inactive since 2016 with no news of new releases as the members pursued individual activities.
On September 1, 2019, Amber announced via her social media accounts that she had not renewed her contract with SM Entertainment.
On the day of the group's 10 year anniversary, September 5, SM Entertainment shared that both Luna and Victoria have chosen not to renew their contracts with SM, while member Krystal still has time remaining before her contract expires.
|Victoria (빅토리아)||Leader, Main Dancer, Vocalist||2009–2019|
|Amber (엠버)||Main Rapper, Vocalist||2009–2019|
|Luna (루나)||Main Vocalist, Lead Dancer||2009–2019|
|Krystal (크리스탈)||Lead Vocalist, Center, Visual, Face of the Group, Maknae||2009–2019|
|Sulli (설리)||Lead Rapper, Vocalist, Visual||2009–2015|
- ↑ Soompi: f(x) Shares Sweet Messages On 9th Debut Anniversary
- ↑ Allkpop: Netizens touched after seeing f(x) perform on stage for the first time in a while
- ↑ Soompi: "f(x)'s Amber Announces Departure From SM Entertainment"
- ↑ Soompi: "f(x)’s Victoria Announces Departure From SM Entertainment"
- ↑ Soompi: "SM Reveals Luna’s Contract Has Expired + Shares Update On Krystal In Statement About f(x)’s Future"