The legendary duo from Big Bang is very well known for being friends since they were children. The two have been friends for 17 years and continue to be each other's biggest supporter and friend. G-Dragon even stated during an interview that if he could have one friend next to him when he dies, he hopes it's Taeyang.

Nayeon and Bambam proved their close bond during an interview backstage during '2016 MAMA Behind' broadcast. When asked if the two were close, Nayeon responded with "I raised him by buying milk since he was a little kid." The two can be seen joking with one another in various occasions.

The two charismatic rappers of Block B have known each other since elementary school. They even rapped in the same underground scene before debuting in the same group. The two continue to be very close going through many hardships and success together in Block B.

The beauties from MAMAMOO have proven to be very close friends. They've been friends since junior high where they went to Seoul together and applied to the same company. During an interview, the two even stated that they used to skip class together to go to auditions. They are now part of an internationally known group and their friendship still is still going strong.

Seungri and Hara first met at a dance academy in Gwangju with the same desire to become a K-POP idol. They were friends for some time. After they both debuted, they were able to reunite and share even more experiences together. Seungri chose Hara as one of his closest friends and when Hara has said that if he really needed her, she would go if she could.

The two talented rappers have been close friends since high school where they revealed their dream to become a rapper. They originally trained for Block B but Min Ho left before the debut was possible. Despite debuting in two separate groups, the two still manage to find ways to build their friendship. When P.O began his first MC gig for Olive TV's 'Strange Restaurant,' Min Ho sent the filming crew a special coffee truck for the whole staff.

The two beautifully talented ladies have been friends since elementary school and middle school. However, due to lack of contact, they didn't reunite until their trainee days when they were able to start talking again. They used to go to karaoke and sing ballads together.

These two have been friends since elementary where their desire to become an idol started. They even swore an oath together to never smoke and drink to keep an admirable image. As idols now, they still continue to keep in contact and support one another in their careers.

These two sweethearts have been friends for almost ten years! They've known each other since high school and still prove to be very good friends. The two always supported and encouraged one another to continue pursuing their dreams. Yoseob mentioned that it was thanks to Kikwang that he got introduced to their agency.

These two have been friends since they were in the same design club with V and Produce 101's contestant Jang Moon Bok. The two continue to share meaningful interactions with one another post-debut.