Project group Trouble Maker � comprised of 4minute's powerful dancer,�HyunA and B2ST's talented vocalist,�Jang Hyunseung � finally came together to perform their first debut stage!
After releasing their long-awaited music video for "Trouble Maker" on December 2nd (which has already garnered over 1.8 million views on YouTube), fans have become anxious for a live stage.
On today's episode of Mnet's 'M! Countdown', HyunA and Hyunseung finally delivered with a hot debut stage that had the house screaming. Check it out below!
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