"Disses", "Battle Raps", "Pars"; whatever you like to call them, they've been a key part of the Hip Hop scene since it began.
Because it's a real talent.
Lip syncing has become quite the internet trend with loads of homemade videos blowing up and going viral because of their attention to detail, immaculate timing and hilarious performances.
Whether it's Emma Stone conquering DJ Khaled's 'All I Do Is Win' on The Jimmy Fallon show, or a dad and daughter duo completely nailing Iggy Azalea's 'Fancy,' we've gathered the best and most hilarious lip-syncing videos from across the web, for your viewing pleasure.
When Channing Tatum had a little help from Beyoncé.
When Channing Tatum went head to head with his wife Jenna Dewan on Lip Sync Battle, he decided to take on Queen Bey's 'Run The World (Girls)' and called in a little favour from none other than Beyonce herself. It was epic.
Channing Tatum & Beyoncé - Run The World #LipSyncBattlePosted by Hit Up Ange on Thursday, January 7, 2016
When Joseph Gordon Levitt, Stephen Merchant and Jimmy Fallon had a lip sync battle.
As a part of Jimmy Fallon's lip-syncing serious, Joseph Gordon Levitt, Stephen Merchant and Jimmy himself went head to head lip-syncing songs like 'Superbass' and 'Take Me On.' The results are amazing.
Watch Eminem's 'Love The Way You Lie' live from the Apple store.
Keenan Cahill shows off his moves to Rihanna's 'Only Girl In The World'
When Shaq did Beyoncé
Team GB sing Queen's 'Don't Stop Me Now'
And so does Paul Rudd...
Jennifer Lawrence's deleted scene from American Hustle.
Emma Stone Lip Syncs DJ Khaled's 'All I Do Is Win'
Emma Stone outdone herself in a lip-syncing battle with Jimmy Fallon on US TV show 'The Tonight Show' by lip syncing Ludacris' verse in DJ Khaled's 'All I Do Is Win' perfectly.
Dad and daughter lip sync to Iggy Azalea's 'Fancy'
Although dad Jesse wanted to lip sync 'Let It Go,' from animated film 'Frozen,' he decided to go for a song that suited his daughter's taste in music better. Check it out.