Cabler last aired a Spears event live from Miami in 2004
Usher has inked a deal with Showtime to do a concert special that will air in March.
Perf will be part of a free preview weekend March 4-7.
Pay cabler last aired a Britney Spears event live from Miami in 2004. Dave Chappelle and Christopher Titus have also headlined specs for the network in the past year.
Usher just landed eight Grammy noms for his latest disc “Confessions,” which sold 8 million copies last year.