More On: rihanna Roc-A-Fella Records CEO Jay-Z, 53, placed at 1,217 and is valued at $2.5 billion. Forbes revealed their annual billionaires list on Tuesday and several entertainers were among the big earners. Kim Kardashian, the Skims founder, 42, was put at the numeral 2,259 and her wealth is priced at $1.2 billion.