Idol singerwas spotted at the airport sporting a fashionable green backpack.IU was passing through the Seoul Gimpo International Airport, flying to Japan to participate at the '' show. She was dressed in a casual airport look, with a baseball jacket and matching denim pants.With a chocolate colored knitted hat, IU further emphasized her cute image. Her practical and colorful green backpack completed the fashionable look.Even last year, IU was found wearing the same green backpack at the airport. Last July, the idol singer was spotted at Gimpo Airport on her way to the '', held at the Tokyo Dome, wearing the backpack with horn-rimmed glasses, perfectly pulling off the schoolgirl look.On March 3rd, IU performed at the 'Tokyo Girls Collection 2012 S/S' show, which was held at the Yokohama Arena.If you missed her performance at the fashion show, check it out below:Source & Image: Segye via NaverAdditional Image: Interview365