Ryan and Alanis. Brad and Gwyneth. Ben and J.Lo -- some celebrity couples just aren't meant to last.
It's a trend in life -- not just Hollywood -- that some relationships can't stand the test of time. Recently, a slew of celebrities -- including Jack Wagner and Heather Locklear -- have made exciting engagement announcements only to to call it quits a few months later, and, most importantly, before they had a chance to say "I do."
Check out the photos below of some celebrity couples who were engaged but never made it down the aisle -- at least not yet.