Lily Allen shows off her diamond engagement ring for the first time

Happy news: Lily Allen is said to have burst into tears when boyfriend Sam Cooper proposed on Christmas DayLily Allen has shown off her diamond engagement ring for the first time.The 25-year-old singer, who was left stunned when boyfriend Sam Cooper proposed on Christmas Day, posted a picture on her blog to show fans her new manicure.Instead, Lily gave them their first glimpse of her diamond s...