The romantic secrets behind the world's most talked about rings

GALLERIES

The romantic secrets behind the world's most talked about rings

In March 2013, Britney Spears' little sister Jamie Lynn announced her engagement to her boyfriend of three years, Jamie Watson.

The delighted bride-to-be, 21, announced the news on Twitter with a picture of herself flashing the ring and hugging her fiancé.

Minutes later, she posted another photo; a close-up of the huge round-cut diamond.