YoonA revealed the rehearsal for her '2021 MBC Music Festival' performance with Junho.

The Girls' Generation and 2PM member's collaboration performance for the 'MBC Music Festival' garnered a lot of attention, and the performance video currently has over 4.2 million views on YouTube. On January 13, YoonA shared the above behind-the-scenes look at their "Senorita" performance.

YoonA suggested, "What if we do something like 2PM's 'My House' for the ending," and Junho responded, "Should I take you by the hand and take you along at the end?" He added, "Girls' Generation and 2PM collaboration. In the past, we met a lot when we were young. This is our reunion after 10 years."

Check out the video above!