Source: Jean Catuffe / Getty Naomi Osaka is still serving – on the court and off. The four-time Grand Slam champion arrived at the 2026 French Open on May 26 in a custom black Kevin Germanier look we loved. The fit started – yes, started – with a black corset look before turning into a shimmering gold Nike dress for her opening match. The sparkling match ensemble featured a ruffled peplum and rows of sequins, which Naomi compared to the Eiffel T…