BIGBANG is a 5-member korean pop/hip-hop/r&b male group that debuted in 2006.
They released many singles and albums equally in Korea and Japan.
few latest MV's for those who don't know BIGBANG:
There's been said about their worldwide debut, especially after their big success on EMA 2011, when they won in "World Wide Act" category, thereby beating Lena or Britney Spears.
We can see on Laurieann Gibson's twitter that something is gonna happen, question is when exactly. Laurieann worked a lot of times with Lady Gaga, so it might be something really big.