They other two just kill the song.

ABBA!!!!!! ABBA, ABBA, ABBA!

Rihanna's song was cool, but the Jonas Brothers.... meeh =\

Abba is the best!

defo abba! the jonas brothers and rhianna's versions suck!!

Is this even a question?! ABBA of course!

I love the other two too. But, ABBA it's the original one so, I think deserves to be the better one.

Who's Rihanna?

ABBA is the bestest!!

ABBA is the BEST! And I never heard any of The Jona's Brother's songs and I hate Rihana! ABBA FOREVER!

ABBA always!!

Becouse ABBA THE BEAST

oh com' on rihanna and the jonas brothers....SERIOUSLY???????

Is there really any competition?

Of course I'd choose ABBA!!! <3

i am a fans of ABBA. the Jonas brothers and Rihanna version suck!! do you like a dancing queen's Kylie Minogue version?
I hate RIHANNA!!!

ABBA!!

ABBA ♥

I didn't even know that Rihanna and JB tried to sing SOS -,-

I AM A BIG FAN OF ABBA!!!! WE LOVE ABBA!!!! WE LOVE ABBA!!!! WE LOVE ABBA!!!! WE LOVE ABBA!!!! WE LOVE ABBA!!!! WE LOVE ABBA!!! WE LOVE ABBA!!!! WE LOVE ABBA!!!!

I WANT ABBA