Country music megastars Brooks & Dunn will split up in 2010 after 18 years atop the charts, CMT reports. "We have agreed as a duo that it's time call it a day," Kix Brooks and Ronnie Dunn, who make up the best-selling duo in country music history, said in a statement on their website. "This ride has been everything and more than we could ever have dreamed."
(More Brooks & Dunn stories.)