These famous stars didn't just dominate entertainment, they built thriving businesses worth millions and even billions..Rihanna – Fenty Beauty: Rihanna revolutionized the beauty industry with Fenty Beauty, setting new standards for inclusive makeup worldwide..Kim Kardashian – SKIMS: Kim Kardashian transformed shapewear with SKIMS, creating one of the fastest-growing fashion brands in the world..Ryan Reynolds – Mint Mobile: Ryan Reynolds helped turn Mint Mobile into a telecom success before its multi-billion-dollar acquisition..Jessica Alba – The Honest Company: Jessica Alba built The Honest Company into a trusted brand focused on clean, family-friendly products..George Clooney – Casamigos: George Clooney co-founded Casamigos Tequila, which was later sold in a billion-dollar deal..LeBron James – SpringHill Company: LeBron James expanded beyond basketball by building a successful media and entertainment company..Ashton Kutcher – A-Grade Investments: Ashton Kutcher became one of Silicon Valley's best-known celebrity investors through early startup investments..Jay-Z – Roc Nation: Jay-Z built Roc Nation into a global entertainment, sports management, and media powerhouse..Read More Stories.Join our WhatsApp Channel to get the latest news, exclusives and videos on WhatsApp