August 09, 2012 02:09 PM EDT
Girls' Generation (SNSD) Yuri Sends Cake to Shin Se Kyung to Support New Movie 'R2B' / Credit: d
Today, Shin Se Kyung posted on her twitter, "Choi An Na is a scary woman..." along with a photo.
In the photo, a cake with the words, "Lee Ga Young is Watching you. R2B Fighting!" was seen.
Shin Se Kyung and Yuri worked together in the drama "Fashion King" as rivals.
Internet users commented, "The two seem very close" and "That was nice of her to send a cake."
The new movie, "R2B," will be released on August 15.