How do you want your ears to send out 2013? The nights counting down to next year will have some chart-topping headliners in Las Vegas, including:

• Crooner Bruno Mars, who was recently named Billboard Magazine’s Artist of the Year. He’ll officially open the Cosmopolitan’s new venue, the Chelsea, on December 29 and 31, before performing at February’s Super Bowl halftime show. (9 p.m., $150-$200)

• “Blurred Lines” singer Robin Thicke, up for the Best Pop Vocal Album Grammy. He stops by the Pearl on December 29. (8 p.m., $80-$170)

• Las Vegas favorites Imagine Dragons, whose singles “Radioactive” and “Demons” have spent 68 and 34 weeks, respectively, on the Billboard 200. They return to the Joint on December 30. (8 p.m., $75-$95)

• Classic rockers Fleetwood Mac, one of only seven acts in history to have tallied 40 million sales for a single album (1977’s Rumours). The Mac hits the MGM Grand Garden Arena on December 30. (8 p.m., $100-$225)

• “Moves Like Jagger” pop-rock faves Maroon 5, who sent that song to No. 1 in 28 countries including the U.S., where it was certified six-times-platinum. They play Mandalay Bay Events Center December 30 and 31. (7 p.m., $100-$225)

• And we might have heard someone mention Britney Spears shows at Planet Hollywood …