In a broadcast, BIBI explained the reason she kisses fans during her performances. She also opened up on her viral underboob 'fit.

On February 7, MBC's entertainment show, "Radio Star," featured singers Jung Jae Hyung, Jang Ki Ha, Car, the Garden, and BIBI on its recent special episode under the theme, "Introduce me a good song."

On this day, BIBI talked about her viral for her unconventional fan service and outfits. What's the real reason she does all of these?

BIBI Explains Why She Would Often Kiss Fans During Performance

During the program, the hosts raised the topic of BIBI's wild and unique fan service that heats up her stage performances.

In particular, one of her ways to show appreciation to fans is kissing them - not on the cheeks, but on the lips!

As fans often go berserk whenever she smooches one lucky fan, BIBI revealed the truth she started doing this type of fan service.

"I like physical touch, so I still kiss my parents on the lips. If the audience sticks out their mouth during the performance, I will kiss them. Some fans are even holding signs asking me to kiss them."

ALSO READ: THIS Idol Receives Mixed Reaction From Stans After Kissing Fan During Concert— Here's What Happened

She then expressed affection to fans.

"Fans paid a lot of money to come and see me and they waited a long time. That's why I want to do something for them. Besides that, I hope they come to the concert. We provide many other fan services."

Regarding the "other fan services" she does, one of them that also went viral was when she gave out condoms in the U.S., a considerably open-minded country.

At the time, she was performing "She Got It (Cigarette and condom)" and she thought it was fit for the song.

As Korea is a conservative country, BIBI made the hosts laugh when she said that she handed candies and jellies to Koreans instead.

BIBI Opens Up About Viral Underboob 'Fit

As the program went on, the singer also recalled the time she unintentionally went viral for her "underboob" outfit.

She narrated:

"I don't like wearing bras because it's uncomfortable. So, I went to an American talk show and since some people might not like it, I put a patch and went out.

What I was wearing at the time was a top with a slit underneath, but it gradually went up. That's why you could see the bottom of my breast (underboob). I found out after the show. But as a result, I got positive feedback."

At the time, she initially earned negative feedback for wearing "too sexy" at a show wherein numerous viewers will be watching.

But after the "underboob" fashion became a thing, BIBI eventually earned praise for her sexy charms that are not overbearing.

READ MORE: BIBI Wardrobe Malfunction During Performance – Here's How She Handled It

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Written by Eunice Dawson.