Fans are speculating on the cosmetic enhancements Carrie Underwood may have had following her tragic accident. Carrie Underwood was America’s Sweetheart when she won the fourth season of American Idol in 2005. Since then, she has been the first country artist to debut in the Billboard Hot 100. However, in a recent Instagram post from a trip taken with her country hubs it’s not Carrie’s hit songs that fans are talking about. Commenters are calling out for the star to stop with the enhancements and embrace her natural beautiful self. Fans worry that Underwood is joining the world of ‘unnatural b…