On the March 23 broadcast, GOT7 joined as the guest. As always, the guests had to find out which of the mysterious singers are the ones with the real talent.�

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After long discussion and contemplation, GOT7 chose the mysterious singers,�Shim Kyu Hyuk and Lee Dong Hoon,�as their final choice. The two singers were then given the name of GOT2.�

To find out about the identities of the mysterious singers, GOT7 first started the performance for ''If You Do'', which GOT2 soon joined.�

It turned out that the GOT2 were indeed talented singers! Lee Dong Hoon, a 25-year-old aspired singer, made jaws drop with his amazing vocals. Shim Kyu Hyuk, who revealed to be a former backup dancer for BTS, also shocked the viewers with his outstanding skills.

Also, GOT7 is the first guest ever that correctly picked out the talented singers on season 4.�

Check out the jaw-dropping moment with GOT7 and GOT2 above!