They’re back. K-pop girl group 2NE1, composed of Sandara Park, CL, Minzy and Park Bom, launched their “Welcome Back” concert in Seoul at the Olympic Hall on Oct. 4.

The concert was in celebration of 2NE1’s 15th anniversary since their debut in the music scene in 2009. It was their first concert in 10 years since holding the “All or Nothing” world tour in 2014 that included the Philippines. 2NE1 performing at their "Welcome Back" concert in Seoul on Oct.

4 (Screenshots from Jeday videos on YouTube) The “Welcome Back” concert brought back memories for the fans as 2NE1 performed their hit and iconic songs. K-pop artists sent their congratulatory messages through a video including IU, NewJeans, IVE, Stray Kids, Aespa, TWICE, (G)I-DLE, Kiss of Life, BOYNEXTDOOR, Zico, BabyMonster and Treasure. Also congratulating 2NE1 on their comeback concert were Big Bang’s G-Dragon, who was also in the audience, and Pharrell Williams.

Aespa’s Winter also watched the concert. At the concert, 2NE1 performed "Gotta Be You," "Do You Love Me," "Falling in Love," "Can't Nobody," "Clap You Hands," "Fire," "Crush," "Ugly," "I Don't Care," "Go Away," "Lonely," "It Hurts," "In The Club," "Happy," "If I Were You," "Missing You," and "I Love You.” CL also performed “The Baddest Female” and “MTBD.

” 2NE1 will again hold the concert in Seoul on Oct. 5 and 6. In Manila, 2NE1 will stage the concert “2NE1 Asia Tour: Welcome Back” on Nov.

16 at the SM Mall of Asia Arena. 아�.