A Pink has turned 10 years old!

On April 19 KST, the Play M Entertainment girl group unveiled a music video for their special single "Thank You," a commemorative song written for fans to celebrate the group's 10-year anniversary. The single is a cheerful mid-tempo pop track rounded out with bright synth and the members' sweet vocals. The lyrics celebrate a long and loving relationship between the members and their fans, reflecting upon memories and expressing gratitude toward fans for their loyalty through the years.

Meanwhile, A Pink debuted on April 19, 2011 with the single "Mollayo." 

Check out the music video above!