Katy Perry Lights up the stage...again

[gallery] There's an abundance of light up stage-wear these days with another appearance on last night's American Idol show. Katy Perry enters the stage wearing a gorgeous and futuristic skin-tight suit covered in LEDs in her performance with Kanye West. Her costume was completely covered in lights and was quite mesmerising.

Illumination is definitely trending in the wearable space. And we're seeing some sneak into the mainstream market. I can't wait for more.

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