Andy Cohen looks back at 1990, from Madonna's song "Vogue'' to Nelson Mandela's release from prison; Andy examines how Sinead O'Connor transformed the face of beauty and how "Twin Peaks'' gave birth to a golden age of television. Special guests tonight are Amber Rose, Ali Wentworth, Aisha Tyler.

Andy Cohen relives the biggest pop culture moments of 1981, discussing how the popularity of the Kardashians stems from the hit TV series, "Dynasty;'' with actress Susan Lucci; TV personality Carson Kressley and journalist Gayle King. Special guests tonight Susan Lucci, Carson Kressley, Gayle King.