Mutya Keisha Siobhan - Flatline (Acoustic) - Video

Mutya Keisha Siobhan, the original Sugababes, performed their comeback single, "Flatline" on SBTV. Wow wow WOW!

I am speechless, they did that in all sense of the phrase. All of them blew the water out, the harmonies were absolute perfection - they are just musical heavyweights! UK readers, go buy their single on iTunes now!!