It's not uncommon for celebs to date around, and since their circles are carefully curated, there are definitely some chances for overlap.
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That doesn't mean there aren't hurt feelings or straight-up anger over the decisions though.
There are just some rules that aren't meant to be broken.
Generally speaking, no one's happy when their friend is dating their ex. Even if there aren't ~feelings~, there are still plenty of opportunities for uncomfortable situations.
Despite that, some celebs have dared to share.
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There are more than a few celebrities out there who have dated someone after a really close friend of theirs has. The situations have ranged from harmless to scandalous.
1.Selena Gomez dated Taylor Lautner before he and her bestie, Taylor Swift, hit it off.
Taylor squared became a thing just a few months later.
2.Shawn Mendes dated Hailey Baldwin in between her relationships with Justin Bieber.
The year before their reunion, Hailey was linked to Justin's fellow Canadian pop star, Shawn.
3.Lindsay Lohan and Hilary Duff's friendship wouldn't survive their shared romantic interest.
Aaron got to know Lindsay before returning to Hilary.
Nina Dobrev dated Ian Somerhalder during their onscreen love affair on The Vampire Diaries.
Ian and Nikki Reed gave it a go afterward, and the rest was history.
4.Drew Barrymore shares something more than a godfather with bestie Gwyneth Paltrow.
Both Drew and Gwyneth dated Luke Wilson.
5.Gwyneth would later find herself becoming friends with someone who dated another ex of hers.
Friends set Jennifer and Brad up on a blind date by their agents.
6.Even Jennifer Aniston and Courteney Cox couldn't avoid dating the same guy.
Both actors dated Counting Crows frontman Adam Duritz.
7.Many believed that dating the same guy was the beginning of the end of Taylor Swift and Katy Perry's friendship.
Katy dating John on-and-off for two years wasn't the problem between them.
8.The TomKat-Jamie Foxx love triangle was one that no one saw coming.
Katie and Jamie kept an incredibly low-profile dating afterward.
9.Kristen Wiig isn't just friends with Drew Barrymore; she's played her on Saturday Night Live.
Drew just rolled with the punches, and it made their friendship stronger.
10.Cameron Diaz shares one ex with two friends and is totally breezy about it.
11.Then Cameron dated him drama-free and didn't mind when another friend did the same.
12.Cameron and Jennifer also have another ex in common.
13.Cameron and Kate would also end up with another mutual ex.
14.Nick Lachey and Nick Cannon's friendship became stronger after they decided the same woman wasn't right for either of them.
Lachey was spotted with Kim shortly after his divorce from Jessica Simpson.
15.Kate Beckinsale and Sarah Silverman became friends because of the man they had in common.
Sarah dated Michael from 2014 to 2018.
16.Adam Levine couldn't get between these Victoria's Secret angels/besties.
Before Behati, Adam dated angel Anne Vyalitsyna.
17.Heather Locklear and Denise Richards' friendship also didn't survive a man-related fallout.
Denise insisted that hooking up with Richie was never the intention.
18.Shania Twain and her best friend ended up swapping husbands, and it's just as scandalous as it sounds.
Mutt asked for a divorce after 14 years of marriage for what seemed like no reason.
19.George Harrison and Eric Clapton never imagined they'd love the same woman.
In the early 1970s, George and Pattie split up.
20.Debbie Reynolds and Elizabeth Taylor briefly fell out over Eddie Fisher.
The ladies were forced to talk it out years later when they bumped into each other on a cruise.