Has anyone tried these shoes? I ordered this flipflop in the navy. I am also wondering if these might be able to pass for the Birkinstock look in black?

OMG leopard flipflops - http://www.qvc.com/Vionic-w-Or.....ts.product.$

Are these in the tan too old lady? http://www.qvc.com/Vionic-w-Or.....A239853.ht$