Gwyneth Paltrow and Brad Pitt were engaged for 6 months before they went their separate ways.
Jennifer Love Hewitt has rocked several engagement rings, but has never been a bride!
Pacific Coast News
Nicole Richie was planning on trading vows with the late DJ Adam Goldstein, but the couple went their separate ways.
Pacific Coast News
Sophie Monk was set to wed a much-older Australian businessman, but called off the engagement shortly after announcing it.
Jennifer Lopez and Ben Affleck called off their lavish nuptials at the last minute.
Kimberly Stewart got engaged to reality star Talan Torriero, but the pair never made it to the altar.
Rachel Bilson and Hayden Christensen never made it to the alter after announcing their engagement, but the former fiancés have been recently rekindling their romance.
Uma Thurman called off her wedding to billionaire Arpad Busson, but the two have decided to give it another go‹though the actress isn’t sporting any bling.
Angelina Pivarnick enjoyed a brief engagement to David Kovacs, before returning to the Jersey Shore boardwalk as a single.
Karina Smirnoff has Danced her way in and out of the arm of several men, calling off an engagement to Maksim Chmerkovskiy.
Kate Moss and Pete Doherty enjoyed a tumultuous and highly publicized romance, but never made it to 'I Do.’
Tara Reid has scored her fair share of bling, but has never made it down the aisle!
Nadine Coyle of Girls Aloud scored bling from Jason Bell, but the pair recently called it quits.
Nicollette Sheridan called off engagements with Nicklas Soderblom and Michael Bolton.
Paris Hilton scored a 24-carat engagement ring from Paris Latsis, but then decided not to wed the Greek heir.
Sienna Miller was happily engaged to Jude Law when his cheating scandal rocked their romance.
PHOTOS: Bikinis! Sexy Stars Who Called Off Engagements