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03/11/2013 at 10:02 AM ET

rihanna 600x450 First Look: Rihanna’s Givenchy by Riccardo Tisci Tour CostumesCourtesy Givenchy (2); Inset: WireImage

What, you expected her to wear polyester?

Rihanna may be High Street’s newest designer, but the costumes for her Diamonds world tour are straight-up haute couture.

Givenchy’s head designer Riccardo Tisci released sketches of the outfits the singer will wear in