Wonder Girls' Yenny recently celebrated her birthday with an awesome cake. On May 27th, a picture of Yenny with the cake was uploaded onto the Wonder Girls' official Twitter. Yenny's birthday was on May 26th. In the picture, Yenny seen beaming over the cake while she points out her sugar-likeness. The girls had the baker put an edible figure of Yenny playing the piano on the cake. Netizens commented, "Happy birthday Yenny", "Your smile seems really genuine", "Please promote in Korea!". Source: My Daily via Nate