2NE1 revealed their Japanese debut performance through the latest episode of Mnet's '2NE1tv Live: Worldwide'. On September 3rd, 2NE1 appeared on Japanese AsahiTV's popular program "Music Station" where they performed, "I Am The Best", receiving a hot response from the audience. After their performance Sandara Parkresponded, "It was our first broadcast in Japan so we were a bit nervous and shaky". Cl said, "Where did my voice go? My voice is gone. Thank God this happened after the broadcast (and not before)". In this episode they also expressed their anticipation for 2NE1's first mini album release in Japan on September 21st and appeared on a radio station, magazine photo shoot, and went shopping through Harajuku where fans immediately recognized them. Additionally, 2NE1 has also started their full-fledged 'Nolza' tour in Japan and kicked things off in front of 12,000 cheering fans at the Yokohama Arena on September 19th. You can watch the entire episode below or just watch their debut performance in part 2 starting 4:52 below: Source + Image: AsiaToday and Nate