TWICE's music video for "TT" has surpassed 500 million views.

The music video for "TT," which was released in October 2016, was sensational with more than 500 million YouTube views at 9:02 p.m. on January 21. This made "TT" the first music video for TWICE to achieve 500 million views.

In response, they revealed their congratulatory image through official SNS channels and thanked domestic and foreign fans for their great support. On Dec. 22, 2017, TWICE became the first Korean female artist to reach the 300 million-view mark with the music video for "TT."

The title track of the third mini-album "TWICEcoaster: LANE 1" is a song that expresses the heart of a girl who fell in love for the first time in her lyrics.

They gained much popularity with dance routines that melted various killing parts, including performances that visually expressed "TT" using their fingers and cute gestures tailored to the lyrics "too much."

Meanwhile, TWICE is currently hosting the massive world tour "TWICE WORLD TOUR 2019 "TWICELIGHTS," which will feature 29 performances in 17 regions around the world, including Los Angeles, Mexico City, Newark and four cities in Chicago and the Americas.

They are scheduled to stage two performances at the Tokyo Dome in Japan on March 3-4. The concert is the shortest time since the debut of the Tokyo Dome in March last year, 21 months after their debut in Japan, and will be held again in a year.

The finale performance of the world tour "TWICELIGHTS" to be held at KSPO DOME in Songpa-gu, Seoul, on March 7 and 8.

The shining moment of the world tour and its growth period can be seen through the original YouTube content, which will be unveiled in the first half of this year.