Singer IU transformed from a cute young girl into a lovely lady of autumn in the F/W season advertisement for fashion label�y'sb, the 'young & artistic casual brand.' Despite her fatigue due to a hectic and busy schedule, IU still managed to ace her photo shoot by striking different feminine poses and mastering each concept. IU sported different looks for the photo shoot including preppy, bohemian, feminine-casual, and modern & trendy, with each concept further bringing out IU's talent and appeal. Check out IU's 2011 F/W y'sb photo shoot on y'sb's main page on September 21st! Source & Image : Newsen via Nate