The 'Trouble Maker' duo is still at the top of the charts with "Now," but Ailee is quickly making her way up right behind them.

"Trouble Maker" released on October 28 and have kept their number 1 spot for the past 4 days. They are also currently number 1 on Melon, Mnet and other music charts.

Their music video hits are going up by the minute with over 6,000,000 views.

They made their first comeback stage on "Show Champion" yesterday and gained much attention.