Earlier in the day, the lovely ladies of Girl's Day unveiled their adorable MV for 'Twinkle Twinkle'. To celebrate their 3rd title track release, the girls held their first showcase in Apkujung. The girls performed Twinkle Twinkle and they also showed their individual talents as well. Check out the photos and videos from the fun event below! [gallery] Thanks to our friends at girlsdaydaily for the info, you can also follow them on twitter @girlsdaydaily