SHINee's Key and KARA's Nicole, well-known as good friends,�celebrated their birthdays together, as pop artist�Nancy Lang shared a new picture on her Twitter account.

Nancy Lang tweeted, "Today is SHINee Key's birthday party~! Kibum-ah (Key's real name) happy happy birthday~~ And it's almost KARA's Nicole's birthday soon, so we're celebrating together! Happy~ ^^ Love you all~~ Ang~~!"

In the two pictures, Key and Nicole look very friendly with Nancy Lang and are happily smiling for the camera.

Upon seeing the pictures, netizens commented, "Key and Nicole. I've heard they were close and now they're celebrating their birthdays together," and "Happy birthday!"

Happy birthday to Key and Nicole!