On October 24, 2NE1’s Minzy shared a letter she wrote to CL during their trainee days on her personal Twitter account. Alongside the photo of the letter, Minzy wrote, ...

— CL (@chaelinCL) November 29, 2016 Sandara Park soon followed with a handwritten note which read, “To my dear Blackjacks… I didn’t know I’d be writing you a letter like this.