Celebrity Engagement Rings: Size Does Matter (PHOTOS)

Britney Spears’s boyfriend, her former agent Jason Trawick, put a ring on it at the end of December 2011. Brit, who’s left two marriages — one quick, one drama-filled — in her wake, showed off her 3-carat Neil Lane sparkler at Jason’s December 19 birthday bash at Planet Hollywood in Las Vegas. However, the couple called it quits in January 2013.