Yoona Fan Group!

Im Yoon-Ah (Hangul: 임윤아; 林允兒; or spelled Lim Yun-Ah; born May 30, 1990), commonly known as YoonA (Hangul: 윤아), is a South Korean pop singer, dancer, actress, model and spokesmodel. She is a member of the Korean girl group Girls' Generation. Yoona made her debut as a singer along with Girls' Generation on August 5, 2007. She made her debut as an actress in the 2007 Korean drama, 9 Ends, 2 Outs.

Im Yoon-Ah was born in Seoul, South Korea on May 30, 1990. At a young age, she auditioned at the SM Saturday Open Casting Audition and joined the company in 2002. She began to train with the other trainees under the same company in the areas of acting, singing and dancing.

She is a 2009 graduate of Daeyoung High School and is currently attending Dongguk University majoring in theatre and music. As of 2010, her fellow member, Seohyun, also attends this university and is majoring on the same course as her.

Before her debut with Girls' Generation, Yoona began to film commercials and model for various magazines when she was a trainee with SM Entertainment. Apart from Girls' Generation's commercials, Yoona is currently a model to endorse Clean & Clear, YeJiMin Pad, Innisfree Cosmetics and S-Oil.

Yoona, together with her fellow member Sooyoung, modeled for the '08-09 F/W SFAA Seoul Collection – Lee Joo-Young Fashion Show' at Seoul Hakyohul Exhibition Hall on March 20, 2008.

In April 2010, she with fellow members Yuri and Seohyun, 2PM members Nichkhun, Taecyeon and Chansung had a CF for an commercial for Everland's Caribbean Bay. The commercial was released in mid-May and is accompanied by the song "Cabi Song".

Yoona was chosen along with Korean celebrities such as Rain, Kim Hee-seon, Ji Jin-hee, Ha Ji-won, Son Ye-jin, Kim Hyun-joong and Yunho to be the model of Cartier's LOVE collections. Proceeds from the sale of the bracelets will go to the international organization International Vaccine Institute (IVI).

Yoona released her first solo song "Innisfree Day" on August 30, 2010 for the Eco Handkerchief's promotion of Innisfree Cosmetics.