Thomas Rhett has been named one of the Best Mannered People of 2017 by the National League of Junior Cotillions (NLJC), an organization that teaches children about courtesy, character and other mannerly conduct. Thomas comes in at No. 8 on the esteemed Top 10 list, which includes musicians, professional athletes and even the Prince Harry's new fiancée, Meghan Markle. Some of the other celebrities to make the list include pop star Selena Gomez, Olympic Gold medalist Aly Raisman and Sadie Robertson of the Duck Dynasty fame.