Last night, "To Paris With Love" singer Donna Summer was all about showing her love to a different city: Hollywood, Florida. The disco legend looked as stunning as ever in a dramatic purple gown (covered with stars, naturally) and matching elbow-length gloves as she brought the Hard Rock Live! arena to its feet. In the audience to see the "Bad Girl" singer was fellow music legend—and "Bad Boy" songstress—Gloria Estefan. Click through to see Donna shaking her "Hot Stuff" as she sings her timeless hits.