▲Three 6 Mafia’s DJ Paul has sued the rapper in a lawsuit which claims that the 'Astroworld' song copied a portion of Three 6 Mafia’s 1997 song 'Tear Da Club Up.' DJ Paul is seeking US$20 million in damages.

▲Sheeran was sued twice, with the lawsuits saying that he copied parts of Marvin Gaye's 'Let's Get It On' for his Grammy-winning song. Ed Townsend, the coauthor of the song with Gaye, is behind one of the lawsuits. A US judge has stated that there are "substantial similarities."

▲Sting threatened to sue the rapper due to his sampling of his 1993 song 'Shape of My Heart,' even though he is getting 85% of the royalties, according to some now deleted tweets. He used Sting's guitar riff on his track 'Lucid Dreams.'

▲Tracy Chapman sued Nicki Minaj over using a sample from her song 'Baby Can I Hold You' in Minaj's track 'Sorry.' She claimed that Minaj asked for permission to use the sample multiple times after the song was already recorded, but Chapman denied the request. Despite this, Minaj gave it to a DJ at a New York station to be played on his show.

▲Singer Yasminah sued the artists for at least US$5 million, claiming they lifted material from her 2009 song 'Hooyo' for their hit tune 'Starboy.'

▲Donald Glover was accused of stealing his smash single from New York rapper Jase Harley's 'American Pharaoh.' Harley then posted a statement on Instagram, saying he was "humbled to be recognized" as an inspiration for the track.

▲In March of 2018, Jamaican musician Flourgon filed a lawsuit against Miley Cyrus, claiming her song 'We Can't Stop' was "substantially similar" to his 1998 tune 'We Run Things.'

▲Country music star Jasmine Rae sued Sheeran, saying the song he wrote for Hill and McGraw was almost a copy of her track 'When I Found You.'

▲Trainor's smash hit was allegedly pulled from South Korean pop band Koyote's song 'Happy Mode,' according to one of the songwriters.

▲The band was also hit with a suit from legendary rock star Chuck Berry in 1973, who claimed the single borrowed both lines and melodies from his song 'You Can't Catch Me.'

▲Rod Stewart's incredibly popular hit apparently used the hook from Jorge Ben's 1976 song 'Taj Mahal.' They reached a settlement and Stewart agreed to donate some of the proceeds to charity.

▲Radiohead's classic anthem was the reason why the band ended up in court after being sued by the Hollies, who claimed the song took from their 1973 tune 'The Air I Breathe.' Tom Yorke eventually admitted he was "inspired" by it and now they all share royalties.

▲The 'Creep' saga didn't stop there. Last year, people were quick to point out how similar Lana Del Rey's track 'Get Free,' from her latest album 'Lust for Life,' was to Radiohead's song. The band didn't press charges but asked to be credited.

▲Robin Thicke's hit tune was engulfed in controversy for many different factors, but the main one may have been when Marvin Gaye's family sued him and Pharrell Williams for copyright infringement, claiming it was too similar to the late musician's song 'Got to Give It Up.'

▲Many Iggy Pop's fans accused Jet of plagiarizing Iggy's 1977 song 'Lust for Life.' The band denied all accusations.

▲Guetta's 2012 song ‘Play Hard’ allegedly "heavily sampled" from Dutch group Alice DeeJay's single 'Better Off Alone.'

▲Jay-Z has had his fair share of plagiarism accusations, and one of them was about his hit 'Big Pimpin,' whose underlying hook comes from the song 'Khosara Khosara,' by Egyptian composer Baligh Hamdi.

▲In 2012, musician Breakbot blasted Bruno Mars, claiming the pop star's smash hit 'Treasure' was awfully similar to his own song 'Baby I'm Yours.'

▲Musician Neil Innes claimed 'Whatever' had lifted from his song 'How Sweet to Be an Idiot,' and he was given a cowriting credit after hitting Oasis with a lawsuit.

▲Simple Plan are huge fans of Green Day... some may say even a little too much. People were quick to point out their 2007 song was a tad too similar to Green Day's 'Boulevard of Broken Dreams.'

▲The dispute over whether Katy Perry had borrowed from Sara Bareilles's 'Brave' only ended when the latter stepped in and said they were friends and there was no reason to freak out.

▲After all these years, Zeppelin were accused of stealing the intro of their classic from fellow rockers Spirit's song 'Taurus.' Jimmy Page has since called the claims "ridiculous."

▲When the band recorded 'Whole Lotta Love' in 1969, they sampled Muddy Waters's 'You Need Love,' but they didn't credit songwriter Willie Dixon, who ended up suing them.

▲The Grammy-winning song won them praise, but also trouble. Coldplay had to settle out of court with guitarist Joe Satriani, after he realized they had used "substantial original portions" of his song 'If I Could Fly.'

▲Lavigne was hit with a suit from 1970s pop group The Rubinoos, who claimed she borrowed from their song 'I Wanna Be Your Boyfriend.'

▲Music critics panned 1D's hit track for its similarities to The Clash's riff in 'Should I Stay or Should I Go.'

▲Legendary band The Doors had to pay royalties to fellow legendary band The Kinks for lifting their riff from 'All Day and All of the Night' for their classic 'Hello, I Love You.'

▲Kurt Cobain was reportedly nervous for making the grunge anthem as the single for their album for its similarities to Killing Joke's 'Eighties.' The latter opted not to sue.

▲Chuck Berry might be one of the most sampled artists ever, and this time it was The Beach Boys who grabbed his song 'Sweet Little Sixteen' and made it their own. The band's manager gave Berry the tune's copyright to avoid a lawsuit.

▲The trio were accused of plagiarizing Joel McDonald's track 'Made in America,' but they ended up winning the case in 2016.

▲Eminem and MC Raymond Jones, from the group Hot Stylz, reportedly reached an agreement after Jones claimed Slim Shady had used a 25-second sample of one of his songs in 'Rap God.'

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Hungarian folk singer Mitsou sued the couple in 2014, claiming they had lifted the vocals from her song 'Bajba, Bajba Pelem.' The case went to court and Mitsou lost.

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After a week-long trial, a US court ruled that Katy Perry copied parts of 'Joyful Noise' by Flame, for her hit song 'Dark Horse.' The jury ruled against Perry, who even offered to perform her song because the courtroom speakers were broken.

(Photo #2: Wikimedia/CC BY-SA 4.0)

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Copyright infringement in the music industry can be tricky sometimes. While some songs accidentally sound like others, many hit tracks we know have actually used samples or riffs from older records without attributing proper credit, which can get artists in legal trouble.

Click through this gallery to see which famous artists have been accused of plagiarism.

▲Steve Ronson has threatened Lady Gaga with a multimillion-dollar lawsuit, as he says that she copied the melody for her song 'Shallow' (from 'A Star is Born') from his song 'Almost.' The singer denies the claim.