Having wrapped up their "Twinkle Twinkle" promotions, Girl's Day has emerged on the drama scene with the girl group's special cameo on MBC's "I Believed in Men"! In this episode, the quintet performs "Twinkle Twinkle" for a car commercial, dressed green versions of their outfits from the original music video. The performance begins at 1:24, check it out below: Thanks to A.S.K for the tip!