'Unpretty Rapstar 2' gave a preview of Yezi and Truedy's semi-final battle!

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The two have been serious competitors throughout the series, so viewers are excited to see who's going to come out the winner. Yezi will be taking the stage with a featuring rapper as well as some dancers to add another dimension to the performance, while Truedy will be joined by Girls' Generation's Tiffany.

Check out the preview of the two battles above, and let us know who you think will come out the winner!