Edited sentence: ET (tape-delayed on the West Coast).Spears has been decked out in 1920s/1930s hairstyles in promotional pictures for the tour and her Showtime concert special, which airs live from the Miami tour stop on March 28 at 9 p.Spears was taken the role of hostess of the Onyx Hotel, with her dancers becoming the hotel staffers and audience members finding themselves to be the invited guests.The trek's "Onyx Hotel" resembles Tommy Tune's Broadway musical "Grand Hotel," which portrayed a day in the life of the Berlin Grand Hotel in 1928