DIA appeared on MBC Everyone's 'Weekly Idol' on June 15!

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On this day, Jung Chae Yeon revealed which CF she wanted to film. �She said, "I want to shoot a public service announcement regarding cars. �I want to say that you should make sure you have your seatbelt on." �I can hear the calls flooding in right now!

Heechul complimented her, saying she's the best talent for a public service announcement.