Grammy winner Bruno Mars is booked to play Dec. 29 and Dec. 31 inside the Chelsea, the Cosmopolitan's new vintage-style event space. Each celebration will begin at 9 p.m. and at the Dec. 31 show, Mars will count down and commemorate the midnight hour. The "Just the Way You Are" singer returns Feb. 15 and 16, May 23 and 24, and Aug. 22 and 23. Tickets, which start at $95 for the 2014 performances and $150 for the December shows, are available now through Ticketmaster at 800.745.3000.
The Chelsea at The Cosmopolitan of Las Vegas
3708 South Las Vegas Blvd.