As the news spread that Girls' Generation's Tiffany is set to appear on "Unpretty Rapstar 2" along with Chanyeol, netizens and fans of the show were curious to see who the idols support or will be working with.

In an upcoming episode of Mnet's reality rapping competition "Unpretty Rapstar 2" that aired on Nov. 6, the semi-final went between Truedy and Yezi's competitin.

The preparation process between the two female rappers were revealed before their actual stage. When it came to showing Truedy's preparation process, she went with the theme of 'Old School.'

To add on to her performance, Tiffany appeared as the featured singer for Truedy's stage during rehearsal, shocking everyone.

"I don't think they look that good together," said 4Minute's Jeon Ji Yoon, who did not expect Tiffany to appear.

The competition of the two will be aired on November 13.