At the U.S. Open, starting Monday, Serena Williams will have the opportunity to make history with tennis’ always-elusive Grand Slam—victories in the four major tournaments all in the same year. That’s a huge deal for any athlete, but for Williams it could be especially so: as revealed in a New York Magazine cover story earlier this month, even though she’s at the top of her game the 33-year-old has her eye on what might come next.
There’s every indication that that next phase in Williams’ career will be to continue the work she’s already done in the world of fashion—which would be no surprise to anyone who read TIME’s 2001 cover story about Williams and her sister Venus. As the story revealed, the siblings were already taking their first steps toward a fashion career as they were first entering stardom:
Read the full story from 2001, here in the TIME Vault: The Sisters vs. The World