Rihannas $23,891 Sweats Street Style by Melissa Garcia Today 1:00 PM PST Loading… Keith/X17online.com Who could rock Kelly green warmup pants with Tom Ford stilettos and make us drool with envy? Rihanna , that’s who! The 26-year-old looks quite amazing these days, and her seemingly ordinary urban-chic outfit is further proof of that. We know what you must be thinking; warmup pants and a sweatshirt how much could that cost? Well, get ready for jaws to drop! Rihanna’s grey Celine crop top (which happens to show off her insanely toned abs) is a cool $3,250, her Kelly green Isabel Marant warmup pants cost $371 and her Tom Ford stilettos retail for $1,190.