140819 YoonA appears as guest on “Sunny”s FM Date” to congratulate Sunny on her 100th day as DJ

The two took a lot of cute pictures together and YoonA gave an update on her life, saying, “It has been such a long time since I got to roll around in my house during a break.” When asked to disclose a secret of YoonA”s, Sunny said, “Her elbow skin is very stretchable,” which was already discussed in a past “Stargazing” episode.

YoonA also revealed that TaeTiSeo were busily engaged in their reality program and said the trio will be making their comeback this year.