We forgot these celebs were engaged, probably because they never got married. Our countdown includes Rachel Bilson & Hayden Christensen, Katie Holmes & Chris Klein, Julia Roberts & Kiefer Sutherland, and more! Which celeb engagements do YOU wish made it to the altar? Let us know in the comments!

Watch more great celeb couple videos here:
Top 20 Celebrities You Didnt Know Were Married to Each Other - https://youtu.be/jwjdTsJiEqg
Top 10 Celebrities Who Are Addicted To Marriage - https://youtu.be/enF0iGZs14w
Top 10 Celebrity Weddings That Defied Our Expectations - https://youtu.be/KjANhjK9aAo

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