Celebs may play nice onscreen, but once the workday is done, all bets are off. And thanks to social media and pesky reporters, the rest of us get to grab a bucket of popcorn and watch as the insults fly—and fly they do: Twitter, in particular, is practically a battlefield for some of these celebrities, who seemingly can't resist the opportunity to stir up some bad blood as fast as their thumbs can type. Herein, we've cobbled together the harshest burns—online and off—for your entertainment. But if you prefer your celebrity humor a little more lighthearted, make sure to check out the 30 Most Hilarious Celebrity Instagram Photos.
1 | Paris Hilton on Kim Kardashian
Shutterstock/FREEDOMPIC"I would not want [Kim's butt]. It's gross! ... It reminds me of cottage cheese inside a big trash bag."
It appears she's changed her tune since. Here's Paris Hilton Doing a Crazy Good Kim Kardashian Impression.
2 | Gwyneth Paltrow on Martha Stewart
ShutterstockAfter Martha Stewart suggested Paltrow should focus on acting instead of trying to be Martha, Gwyneth posted a recipe on her website for "Jailbird Cake."
That's a pretty bold move. Martha's not the type of person you want to mess with. For proof, check out her contribution to the 30 Funniest Celebrity Roast Jokes.
3 | Donald Trump on Rosie O'Donnell
This is just one of many insults from the seemingly never-ending feud between Trump and Rosie O'Donnell. As we all know, anything goes when it comes to Trump's Twitter; for example, check out the 7 Times President Trump's Tweets Baffled the World.
4 | Snoop on Iggy Azalea
If a picture is worth 1,000 words, then Snoop is saying spouting some serious vitriol with this pic he posted to his Instagram.
5 | Elton John on Madonna
Getty Images / Pascal Le Segretain"Since when has lip-syncing been live? Sorry about that, but I think everyone who lip-syncs on stage in public when you pay like 75 quid to see them should be shot. Thank you very much."
6 | Daniel Craig on the Kardashians
"What, you mean all I have to do is behave like a ... idiot on television, and then you'll pay me millions?"
7 | Kermit the Frog on Chrissy Teigen
Don't come for Kermit and expect to escape unscathed. And for more of the supermodel's trademark hilarity, check out Chrissy Teigan's 30 Funniest Social Media Moments.
8 | John Mayer on Jennifer Aniston
"The brunt of her success came before TMZ and Twitter. I think she's still hoping it goes back to 1998."
Savage as this burn is, Mayer runs a little deeper than insulting exes. For an in-depth look, read our exclusive interview with the guy.
9 | Katy Perry on Taylor Swift
Katy Perry and Taylor Swift had a long-running feud that apparently started over some backup dancers. Songs were released. Tweets were composed. It was brutal.
10 | Frankie Muniz on Shia LaBeouf
Frankie Muniz shut down a beef started by LaBeouf, who said he doesn't hang out in "Frankie Muniz-type zones."
11 | Nicki Minaj on Mariah Carey
Nickey Minaj went after Mariah Carey because of her performance as a judge on American Idol.
12 | Christina Aguilera on Britney Spears
"I know Britney...she's not trailer trash, but she sure acts that way."
13 | Prince on Michael Jackson
"Michael Jackson's album was only called Bad because there wasn't enough room on the sleeve for Pathetic."
14 | Diplo on Taylor Swift
Diplo didn't drop this diss out of nowhere; this was reportedly a show of allegiance to his girlfriend at the time, Katy Perry.
15 | Ricky Gervais on Mel Gibson
"I like a drink as much as the next man. Unless the next man is Mel Gibson."
16 | Rihanna on Amanda Bynes
After Amanda Bynes wrote a multi-tweet rant repeatedly calling Rihanna ugly, RiRi decided to clap back with this burn.
17 | Kim Kardashian on Adrienne Bailon
Adrienne Bailon complained in an interview that her relationship with Rob Kardashian was bad for her career, and Kim K. wasn't having it.
18 | Chrissy Teigen on Katie Cassidy
Don't come after Chrissy Teigen's friends, or Chrissy Teigen will come after you.
19 | Donald Trump on Samuel L. Jackson
We can only wonder what was running through Trump's mind when he decided to insult Samuel L. Jackson's golf swing, of all things.
20 | Zayn Malik on The Wanted
A member of The Wanted decided to insult Zayn's hair. So, Zayn decided to verbally destroy his face.
21 | Nicki Minaj on Miley Cyrus
Nicki Minaj took Cyrus to task in the press for the way she was appropriating black women on her tour and in her music, including this public shout-out at the VMAs.
22 | Justin Timberlake on Backstreet Boys
A decade after anyone stopped caring, Justin Timberlake still found it within himself to insult the Backstreet Boys.
23 | Bill Murray on Chevy Chase
Shutterstock"Medium talent."
24 | Kim Kardashian on Chloe Grace Moretz
Chloe Grace Moretz tried to shame Kim Kardashian about sharing nude selfies, prompting this brutal response.
25 | Chelsea Handler on Nick Cannon
There's no lost love between Handler and Cannon, who have made a habit of routinely insulting each other publicly.
26 | Kanye West on Taylor Swift
"I'm sorry, but Beyoncé had one of the best videos of all time!" Who can possibly forget this legendary interruption. And for more stage antics, check out the 30 Most Awkward Awards Show Moments of All Time.
27 | Rihanna on Ciara
Ciara complained that Rihanna was rude to her at an event, and Rihanna responded by unleashing this savage burn.
28 | Lily Allen on Courtney Love
Lily Allen was not having any of the nonsense Courtney Love was trying to start by spreading a rumor about her.
29 | Kim Kardashian on Lindsay Lohan
Shutterstock"You know what's confusing? Your sudden foreign accent."
30 | Mariah Carey on Jennifer Lopez
"I don't know her."
Everything Mariah Carey does, she does to the max. For proof, check out the 30 Most Hilarious Celebrity Riders.
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