Country star Dierks Bentley celebrated his 38th birthday three days after performing a pre-race concert before the NASCAR Sprint Cup Series season finale at Homestead-Miami Speedway. Bentley is a big NASCAR fan and counts Sprint Cup Series drivers Kevin Harvick and Kasey Kahne among his friends in the sport. At Homestead, Bentley discussed his enjoyment of NASCAR, his latest single and his forthcoming album, "Riser." On being a NASCAR fan and his connection to the sport: More...