Singer BoA wowed fans yesterday after she revealed a photo of herself with some celebrity friends. She posted on Twitter, "Fast lightning!!", and attached�a photo of herself with veteran singers Uhm Jung Hwa and Kim Dong Ryul. Despite the age gap, BoA seems to be quite close with the two. The photo shows the three friends drinking a glass of wine after a meal. Followers of BoA's Twitter commented, "I'm jealous," "Senior and junior singers with a warm relationship," and "It seems a lot of time has passed because Boa is already drinking." In further news, BoA has recently finished her first film in Hollywood with "Cobu 3D". Source + Photo: Nate