R&B throwback Bruno Mars opens The Chelsea at The Cosmopolitan of Las Vegas on Dec. 29 and 31, with shows also scheduled for Feb. 15 and 16, May 23 and 24 and Aug. 22 and 23. Tickets for Dec. 29 and 31 start at $150 and tickets for the 2014 shows start at $95. They go on sale at 10 a.m. Friday at www.cosmopolitanlasvegas.com or Ticketmaster outlets.
