Britney Spears' ex Kevin Federline slams Beyonce for 'screwing her face up with Botox and surgery' after seeing her at boxing match
She's a multi-Grammy award-winning mega-star married to one of the most successful hip-hop artists in the world.
And he's a former back-up dancer - best-known for being married to Britney Spears - who sold a meager 6,000 copies of his debut rap single on the week of release.
But that didn't stop lightweight Kevin Federline aiming a punch at musical heavyweight Beyonce on Sunday.
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Taking aim: Kevin Federline criticised Beyonce on Sunday saying she looked 'botoxed' at the Cotto vs Alvarez fight in Vegas
The Crazy In Love singer had ring-side seats for the Miguel Cotto vs Canelo Alvarez fight in Las Vegas but ended up dodging a low-blow from the father of Britney's children.
The 37-year-old publicly tweeted: 'She looked botoxed' in reference to the singer, to Terez Owens - the popular sports media blog.
However, rather than leave it there, he went back for a power punch in round two.
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Jab: K-Fed - who used to be married to Britney Spears (pictured in 2006) - added: ''So sad when a beautiful woman chops and screws her face up with Botox and surgery'
In a second tweet, Kevin added: 'So sad when a beautiful woman chops and screws her face up with Botox and surgery.'
Beyonce, 34, flaunted her impressive cleavage at the event in a plunging black slashed front top, alongside Jay-Z.
Her glamorous evening make-up looked immaculate on her flawless skin, with her honey waves tumbling around her shoulders.
Gloves off: The Crazy In Love singer had ring-side seats for the Miguel Cotto vs Canelo Alvarez fight in Las Vegas but ended up dodging a low-blow on social media from the father of Britney's children
Outspoken: Beyonce's fans were quick to round on the Celebrity Fit Club alumi after his second tweet
She showed no signs of being angered by the father of six's remarks, however her fans were quick to round on the Celebrity Fit Club alumi.
A number claimed he was seeking publicity, while @worldbritney replied: 'So sad when a man depends of a woman's money... so sad...', and others pointed out his well-documented battle with his weight and self-image.
Kevin - who shares sons Sean Preston, 10, and Jayden, 9, with Britney - called his relationship with the star 'chaos' earlier this year.
Glam: Beyonce, 34, flaunted her impressive cleavage at the event in a plunging black slashed front top, alongside Jay-Z at the fight on Sunday
He was married to Britney from 2004, before splitting in 2006 and told Us Weekly: 'It was fun, it was crazy, it was chaos…The limelight, the entertainment business, the lifestyle — period. When you’re 25-years-old, how do you handle that? Nobody can prepare you.'
K-Fed - who receives $20K a month in child support from the Piece Of Me star - has started a career as a DJ.
He's married to former volleyball player Victoria Prince, and they have two daughters of their own.
The couple welcomed Jordan on August 15, 2011 and Peyton on April 7, last year. He also has daughter Kori, 13 and son Caleb, 11 from a previous relationship with Shar Jackson.
Hitting the decks: The father-of-six by three different mothers receives $20K a month in child support from Britney and has started a career as a DJ (pictured last month)
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