She is in Paris for its Fashion Week to attend the runaway shows and no doubt look for some inspiration for her own wardrobe.
But if Katy Perry is hoping to set some of her own trends while in the French capital, then today's outfit should go back to the drawing board.
Because less was definitely not more for the pop star as she left her hotel in the city today showing off her underwear to the world.
Miss FB Fashion Police saya : this is not good at all. the chupi is nice na vile imeingia matokoni hivyo ,mm,,basi wanaume wote Duniani ni wako na wengine hawalali ...ila the skirt not good kabisaa is to AVOID " alafu to me nikiangalia sana inaonekana kama kavaa kagauni siyo skirt ,but yah ,siyo nzuri kabisa heri angevala hiyo chupi peke yake..FATUMA MACHO UNAONA! .. ndo hivyo Mambo uliyaanza wewe...nasijui ulikuwa wagombana na mimi kwa lipi wakati chupi ukiamua kuivaa na kuonyesha Dunia NI UAMUZI WAKO!!
Anywa nimekumbuka mada ile tu"kwa ajili ya huyu mdada wa leo chupi yake !