If you watched last night's (Jan. 27) episode of 'The Bachelor,' you learned that contestant Nikki is a bad dancer. You also learned that adorable female foursome 2NE1 is Korea's most famous K-Pop group.

Bachelor Juan Pablo Galavis and six companions on a group date learned some dance moves to back up the girls in a live performance in front of hordes of screaming fans in Seoul, South Korea. Juan Pablo compared 2NE1's fame with that of the Spice Girls back in the day, but there's more to CL, Minzy, Dara and Bom than their mega-stardom (and cool dance moves and cutting-edge clothing). Here are some facts about the K-Pop group:

1. One of PopCrush's Artists to Watch in 2013, 2NE1 stands for "21st century" and "new evolution." You can pronounce it "twenty-one," as 'The Bachelor' did, or "to anyone."

2. The single they performed on the ABC reality series is called 'I Am the Best.' You might have heard it last summer on an episode of 'So You Think You Can Dance?' where it was the soundtrack for a featured number. 2NE1's official music video for the tune currently shows a whopping 84 million views on YouTube.

3. They've recorded several tracks with will.i.am, who released their collaboration 'Gettin' Dumb' on his album '#willpower.'

4. CL is considered the Beyonce of the group. She shows lots of swagger -- and about 20 costume changes -- in her video for solo single 'The Baddest Female.'

5. 2NE1 have released only one studio album, 2010's best-selling 'To Anyone,' but have dropped 13 singles, including three last year.

6. Finally, they recently revealed their next album and 2014 world tour will be called 'AON (All or Nothing).' Their tour kicks off March 1 in Seoul and is scheduled to hit nine other countries (so far). No word yet on a U.S. outing, but we'll be waiting!

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