During her guest appearance on 'Radio Star' this July 5, Lee Hyori described an incident where she went to a sauna with her mother-in-law!

"I went on a hot spring trip with my mother-in-law for the first time," she began, "It was really embarrassing to go into the public bath naked, but I also happen to have a lot of tattoos on my body."

Lee Hyori described, "I had like turtles, snakes and all these other ink drawings on my body."

SEE ALSO: [Interview] Ask anything and everything: Send us your questions for Minzy!

She continued, "Although my mother-in-law didn't say anything since she loved me so much, I think she might've freaked out inside," causing laughter!