Rainbow members Hyunyoung and Jisook recently uploaded a picture of their bare faces onto their me2day.  They also explained that they did couple nail art with bare faces in the middle of the day.

The uploaded picture is actually a collage of four pictures in which the girls strike various poses.  Most striking is the fact that they have no make up on their faces yet they still look as pretty and cute as ever.

SEE ALSO: Rainbow's Jaekyung and Hyunyoung dress up as sexy nurses for A-JAX

In related news, the ladies of Rainbow performed at 2K13 Feel Korea in Vancouver, Canada over the weekend.