On the February 24 edition of�Mnet's '4 Things Show', Amber gathered with her closest friends, including GOT7's Jackson, Ailee, and miss A's Min!

Amber said, "I hear a lot that GOT7's Jackson and I look like we're twins. �I always met up with him during training days, too. �He's a friend who is like my younger brother."

Jackson added, "Amber is a precious person to me. �I told Amber 98% about myself. �I, likewise, know a lot of Amber's secrets." �Oh, do share.

Additionally, Amber said about Ailee, "She's like a mother to me. �When I'm not working diligently, she lets me know."

Ailee said, "She's a close friend with whom I can have fun talking until the sun rises."

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In addition, Amber revealed she and miss A's Min were "zombie buddies."� Min said, "Our promotion periods were similar. �Whenever we promote, we don't get to sleep properly so whenever we meet up, we looked like zombies."