24. KIM KARDASHIAN WEST $1.2 billion  SOURCE: Cosmetics, reality TV AGE: 40 • RESIDENCE: Hidden Hills, CA SELF-MADE SCORE: 

The reality TV star turned influencer turned beauty mogul’s latest headlinegrabbing venture: shapewear and loungewear label Skims. In April, the two-yearold company raised money at a $1.6 billion valuation, and in June it became the official undergarments supplier for female members of Team USA at the Olympics in Tokyo. Kardashian West—she’s keeping