Rihanna shows off new pixie-crop (and her nipples) at the MTV VMAs 2012

Rihanna rocked up to the MTV VMAs tonight showcasing a brand new - much shorter - barnet. Ri Ri is adding to the ever growing list of celebby types who are chopping all their hair off. Maybe there's a severe case of the Sweaty Necks going around and everyone's frickin' fed up of it.

rihanna short hair mtv vmas 2012

Yeah, we don't know either, but it's ever so late and our brains have gone mushy, so give us a break, yeah?

Rihanna chose a backless white frock that gathered at the waist, that we can totally see her boobs through.

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rihanna at the mtv vmas nipple

Not that we're looking, of course.

rihanna short hair

What do you think of her new look?

One Direction and The Wanted arrive at the VMAs

Watch the red carpet arrivals here!

Pics: MTV, Twitter

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