Toby Keith, Larry the Cable Guy and Carrie Underwood won multiple trophies at the 2005 Billboard Music Awards on Tuesday night (Dec. 6) in Las Vegas. Keith took country artist of the year and country albums artist of the year. Larry the Cable Guy won comedy artist of the year and comedy album of the year (for The Right to Bare Arms). Underwood won for top-selling Hot 100 song of the year and top-selling country single of the year ("Inside Your Heaven/Independence Day"), as well as for country single sales artist of the year. Winners are determined by year-end sales and radio airplay.