B1A4's Sandeul and actor�Ahn Sae Ah joined forces to compete�on the July 22 installment of 'Immortal Song'.

SEE ALSO: Seohyun parts ways with Namoo Actors

Sandeul and Ahn Sae Ah, who became friends after meeting through the musical 'All Shook Up' 3 years ago, collaborated on the 'Summer with Friends' special of the show. The two were the last performers up with their cover of�Lim Jae Bum's 1997 hit "Emergency".�

Ahn Sae Ah expressed, "I'll enjoy the stage. Like our sunbaes, we'll make our 3-year friendship into 30 years. I've fulfilled my wish to sing with Sandeul and my dream to be a singer."



Spoilers Below:

In the end, Sandeul and Ahn Sae Ah brought in 439 points, taking the final win. This is Sandeul's 4th win on the program. Congrats to them!