Tiffany was born on August 1st, 1989, and she's turned 29 (28 internationally) in Korea. Fans trended the hashtag #IJustWannaTIFFANY for her birthday, and also glammed up Times Square. She's the first Korean idol to be featured on both the NASDAQ & Thompson Reuters boards.
You can check out photos and videos of the ads in the tweet below as well as the thread below it.
Happy birthday, Tiffany!