Paying tribute to the late Gianni Versace on the 20th anniversary of his murder, former First Lady of France Carla Bruni, 49, joined supermodels Cindy Crawford, 51, Naomi Campbell, 47, Helena Christensen, 48, and Claudia Schiffer, 47, for a shimmering walk down the Versace runway on Sept. 22 as part of Milan Fashion Week. After the Versace Spring/ Summer collection was presented on today’s top models including Gigi Hadid, 22, and Crawford’s daughter, Kaia Gerber, 16, the show stopped to reveal the five legendary models, posing like goddesses against the backdrop. Descending from their poses, they then hit the runway with designer—and sister of Gianni—Donatella Versace. The models walked to the tune of George Michael’s “Freedom ’90”—the music video starred Crawford and Campbell—as well the soundtrack to the iconic moment…