Our Janet Jackson Vintage Pop Stardom Week wraps in 2001, with a year in which she was rightly celebrated as a legend while also reigning as a contemporary hitmaker. Janet Jackson (C) performs in concert August 23, 2001 at Madison Square Garden in New York City. Getty Images Trending on Billboard In honor of her upcoming 60th birthday this Saturday (May 16), we’re doing  a full week  of  Vintage Pop Stardom  deep dives into the all-time greatness of  Janet Jackson  on the  Greatest Pop Stars  podcast.  Each day this week (May 11-15), we’ve looked at a different peak year in Janet Jackson’s singular career —  1986 , 1990 , 1993 , 1998 and 2001 — while hitting on all the albums, singles, videos, dance routines, tours, performances, fashion statements, social and political statements, and other big moments that made Ms. Jackson’s contributions to the music and culture of those years absolutely unforgettable.…