"Casey proposed when Jamie turned 17. He gave her a gold band with numerous diamonds and one larger stone, but now she has given it back to him," Contactmusic quoted a friend as telling In Touch Weekly magazine.
Lynn, who is bringing up her daughter Maddie Briann, apparently wants to keep things as it is. The pal added: "Jamie wasn't ready to get married. It''s been more than enough for her to adjust to new motherhood for now."