I'm guessing the majority of you have heard of Usher right? That famous award winning singer and entertainer that brought Justin Bieber into the music industry? Well, he's been in South Korea these days and has recently held a concert there, idols such as Junsu from 2PM and Jay Park have shown their fanboy selfs towards the American artist.

On their twitter accounts, Junsu mentioned Usher's newest hit 'OMG' and sang a small part of it:


While on Jay Park's twitter:
Source: jaybumaom & Jun2daKAY on twitter.