On the August 4th episode of 'Amazing Saturday', Hyeri talked about her close friendship with the members of TWICE. Hyeri recounted a time when Sana sent her a cute video on her birthday, wishing her a happy day with the famous 'Save you in my heart' aegyo!

"Sana was so cute in the video," said Hyeri. "I spent the entire day watching the video on my phone." Sana, who was sitting near Hyeri on the show, smiled out of gratitude.

Afterwards, MC Shin Dong Yeob teased Sana by saying, "Oh...so, you sent a her a video that didn't cost a penny?". Then, Hyeri came to Sana's defense by commenting that it was "a very precious gift."

Watch the video above to catch Hyeri talk about Sana's aegyo towards the end!