Jennifer Lopez was wearing a Staurt Weitzman Swarovski Crystal Rockstar thigh high boots at the Summertime Ball 2011 in London.
Over 22,000 crystals were set by hand on each pair, selling for $10,000 at select Saks Fifth Avenue. (catwalk queen).
And Rihanna has the black version of the boots.
photo credits: catwalkqueen, flare,courtneyluv