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Katy Perry - When the singer said Diplo was worse at sex than John Mayer and Orlando Bloom, she certainly wasn't expecting such a dismissive reply from her ex.

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Diplo - Diplo replied: "I don't even remember having sex." 

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Sharon Osbourne - Sharon destroyed Kendall and Kylie Jenner for using famous music icons (including Ozzy's face) on their t-shirts.

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Sharon Osbourne - Sharon Tweeted: "Girls, you haven't earned the right to put your face with musical icons. Stick to what you know...lip gloss."

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J.K. Rowling - Someone was not happy about an article involving the 'Harry Potter' author, so the person took to Twitter to tell Rowlings that as a result the user would burn all its J.K. Rowling's DVDs and books.

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J.K. Rowling - Rowling replied: "Well, the fumes from the DVDs might be toxic and I've still got your money, so by all means borrow my lighter."

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Pink - Someone tweeted that the only relevant thing Pink ever did, was to be in Christina Aguilera's video.

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Pink - The singer humorously implied that this person had been asleep for the last 20 years and replied "And you're f****n rip van winkle if you've never seen one of my videos."

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Chrissy Teigen - Although the original thread has now been deleted, someone on Twitter told Teigen that she "peaked," as in no better things would happen in her life.

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Chrissy Teigen - To which Chrissy Teigen replied: "I have a best selling book, great boobs, a family I love, am literally eating pasta on a lake in Italy and I married rich." Touché.

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Ed Sheeran - The singer was accused of closing his Twitter account as a way to avoid the backlash after his cameo appearance in 'Game of Thrones.'

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Ed Sheeran - He took to Instagram to reply to the accusations: "I am in game of thrones, why the h*ll would I worry what people thought about that. It's clearly f****n' awesome."

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Jennifer Lopez - Someone accused Jennifer Lopez of using Photoshop in her Instagram photos.

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Jennifer Lopez - J.Lo replied saying that it was just a smudge on the mirror, and added hilarious hashtags such as #lordblessthehaters and #wishtherewasphotoshopforhaters.

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Taylor Swift - The singer used an Instagram story to clapback at people who thought she was naked in a music video. It turns out, it was just a bodysuit mimicking her skin color.

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Demi Lovato - Halsey criticized Lovato on her song 'Cool For The Summer.' Lovato's response: "You know a song is a hit when people are still talking about the lyrics two years later. ??#shhhhdonttellyourmother"

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Sia - Someone threatened to leak intimate pictures of the singer online.

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Sia - Sia's response to the blackmailer? She published the pictures herself! She even wrote to her fans on Twitter "Everyday is Christmas!" 

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Rihanna - Azealia Banks' attacked Rihanna for expressing her political opinion and not being an US citizen. RiRi posted a selfie sending a kiss in response with the message "the face you make when you a immigrant."

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Rihanna - After being called fat, RiRi shut down the body-shamers in the most hilarious way.

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Rihanna - She posted a meme with two photos of rapper Gucci Mane, saying "If you can't handle me at my 2007 Gucci Mane, You don't deserve me at my 2017 Gucci Mane."

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Cher - The singer made an appeal on Twitter in support of the DREAM Act. A Twitter user doubted Cher's intentions and wrote "I believe it when I see it."

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Cher - To which Cher brutally replied: "then keep your eyes opened b***h."

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Nick Jonas - Jonas reacted to a picture a taller fan took with him, saying Nick would need "a few more inches." Nick Jonas called him out and told him that he was incredibly rude and needed some manners.

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Chris Evans - A former Ku Klux Klan member posted a picture of Evans with his Jewish girlfriend and his African-American ex, and asked why Chris hated "the women of his people."

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Chris Evans - The actor shutdown the white supremacist by replying: "I don't hate them. That's YOUR method. I love. Try it. It's stronger than hate. It unites us. I promise it's in you under the anger and fear."

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Wesley Snipes - A Twitter user told Snipes to pay his taxes, making reference to a tax evasion scandal the actor was involved in years ago.

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Wesley Snipes - But the actor had no problem in challenging the user to a fight. He wrote "Hey Justin, come see these hands. Tax free."

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Sarah Hyland - 'Modern Family' star Sarah Hyland got back at Life & Style Magazine after they wrote she had "work done."

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Sarah Hyland - The actress posted a pic of her wearing a facial mask, and wrote: "Got some work done tonight Going for a new look... gonna write about this now?"

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Hillary Clinton and Donald Trump - Donald Trump tweeted that "Hilary Clinton blames everybody (and every thing) but herself for her election loss." He added that "She lost the debates and lost her direction!"

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Hillary Clinton and Donald Trump - Clinton replied with a photo of her book 'It Takes a Village,' and wrote "If you didn't like that book, try this one — some good lessons in here about working together to solve problems. Happy to send a copy."

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Kiersey Clemons -

When haters took to Twitter to tell Clemons to shave her hairy armpits, she simply told everyone to suck her d**k. Well, at least it's concise.

See also: The most epic celebrity feuds of all time

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