Kid Cudi and Lola Abecassis Sartore tied the knot at Cap Estel in Èze, France, on June 28, nearly two years after the couple got engaged in Japan.

Janet Mercel and Daniel Wisner’s relationship slowly turned romantic after years of “being best friends,” Mr. Wisner said.

Clad in stylish threads ranging from archival Ralph Lauren to custom tailoring, here are the best dressed celebrities at ...