When it comes to love and marriage, everything is possible in Hollywood. Some celebrities married the same person twice, and many more changed their minds and called their weddings off after announcing their engagement to the world. Many couples mutually agreed that it's best to not go through with the ceremony months before, but some individuals were not as lucky. Some found out the news from somebody else completely or even worse, on the very same day they were supposed to tie the knot.

Related: I Do, I Do, I Don't: 10 Celebs With The Most Divorces In Hollywood

Even though it can be painful in the moment, it's best to come clean and break off the engagement before it's too late. Many celebrities agree that they did themselves and their partners a favor by not going through with marrying them.

10 Katie Holmes Almost Married Chris Klein

Katie Holmes almost married Chris Klein, the American Pie star, but she changed her mind after they already started making plans for the wedding. They broke up in 2005 after dating for five years.

Not long after their split, she married her celebrity crush, Tom Cruise after he popped the question on top of the Eiffel tower. They were married for over five years and finally divorced in 2012. She is currently dating Emilio Vitolo.

9 Julia Roberts Pulled A Runaway Bride On Kiefer Sutherland

What came first, the movie Runaway Bride or Julia Roberts running away on her wedding day in real life? Eight years before she landed a role in the iconic rom-com with Richard Gere, she left Kiefer Sutherland on the day of their wedding.

She had her reasons, though. Sutherland had a history of alcohol abuse and there were cheating rumors floating around. On the day of, he found out that she is not going through with the wedding and that she's actually enjoying herself on a date with his best friend, Jason Patrick.

8 Carson Daly Dumped Tara Reid

Carson Daly and Tara Reid first met in 2000, but their love story was over by 2001. They wanted to get married, but Carson Daly changed his mind since the two didn't really have much in common.

According to NickiSwift, Carson recalled that he dodged a bullet back then: "I was getting serious about my career, and she wanted to shoot movies and just party in her time off. That didn't work for me." Tara did indeed have a bit of a reputation for being a party girl, but who can blame her: she was a wildly successful 20-something year-old, living the dream in Hollywood.

7 Billy Bob Thornton Left Laura Dern & Married Somebody Else Instead

As far as Laura Dern was concerned, she was happily engaged to Billy Bob Thorton. Then one day, after being away working, she realized that her beloved fiancé was no longer marrying her. And she didn't even hear it from him!

Billy Bob Thornton didn't leave Dern because he was afraid to get married. He had no qualms with that part. He ran away with Angelina Jolie and tied the knot soon after in Las Vegas.

6 Kat Von D Got Cold Feet Before Marrying Jesse James

After divorcing Sandra Bullock, Jesse James found love in the arms of Kat Von D. The two seemed like a good fit at first and even got engaged, planning a beautiful summer wedding.

The famous tattoo artist changed her mind though, as Jesse James cheated on her. They announced their split on Sandra Bullock birthday of all days. How poetic!

5 Kelly Rowland Had Her Wedding Dress Picked, Then Bolted

Kelly Rowland was engaged to NFL player Roy Williams, but they split in 2005, just months before they were supposed to exchange vows.

The ironic thing is that the wedding was highly publicized. Kelly Rowland was even featured on a cover of Modern Bride magazine, and inspired many to buy the same wedding dress she was supposed to wear.

4 Richard Jefferson Told The Bride He Isn't Coming Last Minute

Poor Kesha Ni'cole Nichols. She was already in her dress, touching up her makeup, when she found out that her fiancé, NBA's Richard Jefferson, isn't actually coming. The wedding was supposed to be extraordinary, so it wasn't just Kesha's heart that was breaking, it was also the couples' wallets.

Luckily, they got some money back after cancelling the event, but that could hardly fix the emotional damage that was inflicted that day.

3 Jennifer Lopez & Ben Affleck Couldn't Take The Pressure

Jennifer Lopez and Ben Affleck were all the rage in the early 2000s. They were crazy about each other, so much so that Ben even starred in JLo's video for 'Jenny From The Block'. They instantly became one of Hollywood's biggest couples, and all the media publicity got a bit too intense for their taste.

Related: Which Jennifer Lopez Song Are You Based On Your Zodiac?

They called off their wedding soon after they got engaged and split up soon after.

2 Gwyneth Paltrow Couldn't Commit To Brad Pitt

If Gwyneth Paltrow wouldn't have walked away from her engagement to Brad Pitt, he probably never would have married Jennifer Aniston. These two met on the set for Se7en and instantly became one of the most exciting couples in Hollywood.

Related: Brad Pitt's 10 Closest Friends In Hollywood

Looking back on her relationship with Pitt, Paltrow said that he was "too good" for her.

1 Elle King Married Rock'N'Roll Instead

When Elle King announced that she is engaged after only dating her new boyfriend for two weeks, she went all out. She appeared on the show Say Yes To The Dress and looked completely confident in her decision. When the fated day came, though, she couldn't commit.

She ran off with the band Eagles Of Death Metal instead and told her Instagram followers that she "married Rock'N'Roll instead".

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