Group Big Bang is currently in Singapore to perform the opening stage for the '2013 Formula 1 Grand Prix' concert.

Member Seungri posted on his twitter, "We ready to rock!" as they got ready to perform.

They will be performing on stage with other top stars such as Rihanna, Justin Bieber and more.

They will be performing many of their hit songs from "Fantastic Baby" to "Lies" and interact with their fans.

This is the first time the group has performed together in 9 months.

On the other hand, they will be doing their Japan 6 dome tour this November.