The Rainbow members gathered together and celebrated their 13th anniversary together.

On November 14, former member Cho Hyun Young posted photos showing her spending time with Rainbow members on Jeju Island. Cho Hyun Young wrote, "We gathered together for the first time in a while to celebrate our 13th anniversary and went to Jeju Island as a trip!! Our members had a celebration party and went shopping together~ The hotel was so big, and there was so much to do that we didn't leave the hotel for three nights and two days...It was so nice that I want to bring my parents next time!!"

In the photos, Cho Hyun Young was seen holding a cake with her members, and she also posted photos of the food they ate together.

She also garnered much attention as she showed photos of the members enjoying themselves at the hotel swimming pool, spending quality time with the members to celebrate their 13th anniversary.

Meanwhile, Rainbow debuted in 2009 but officially disbanded in 2016. Nevertheless, the members continued to show their affection towards the group as they regathered in 2019 to celebrate the 10th anniversary together.