Insiders have wildly claimed had a 'heated exchange' with his former mentor at Jay-Z and 's afterparty on Sunday.
Sources close to Bieber indicated it was Usher who approached the pop act with 'energy and anger,' but they insisted the dispute never became physical - contrary to other insiders who alleged the encounter culminated in a fistfight.
One source accused Bieber of having always been impolite to Usher, amid claims the Baby singer wants to freeze out people from his past, via TMZ.
Usher and Scooter Braun shepherded Bieber's rise to fame when he was 13 and 14, signing him to their label after winning a bidding war against .
Early in their respective careers, Bieber, 32, and Usher, 47, were also both the proteges of disgraced rap mogul Sean '' Combs, 56.
Last May, Bieber firmly denied years of rumors that he was , with a spokesperson saying he was 'not among Sean Combs' victims.'
The Daily Mail has contacted Usher and Bieber's representatives for comment and has yet to hear back.
Insiders claim Justin Bieber had a 'heated exchange' with his former mentor Usher at Jay-Z and Beyonce's Oscars afterparty on Sunday; Bieber pictured last month
Sources close to Bieber indicated it was Usher who approached the pop act with 'energy and anger'; Usher is pictured at the Vanity Fair Oscar Party that evening
Usher and Scooter Braun engineered Bieber's rise to fame, signing him to their label after winning a bidding war against Justin Timberlake; Usher and Bieber pictured 2009
Among the star- guest list at Beyonce and Jay-Z's Oscars afterparty were Taylor Swift and Travis Kelce as well as Timothee Chalamet and Kylie Jenner.
Ryan Coogler and Michael B. Jordan were in attendance, as were Jacob Elordi, Teyana Taylor, Vin Diesel, Sofia Vergara, Austin Butler, Emma Stone, Emma Watson, Jon Batiste, Chloe Bailey and Vanessa and Natalia Bryant.
None of the famous names who dropped by Beyonce and Jay-Z's party has publicly discussed witnessing any spat unfold between Bieber and Usher.
Bieber
They signed him the following year and guided him along his rise to global fame, with Bieber at one point moving to Atlanta with his mother to work with Usher.
'I definitely try to be as much of a big brother, mentor and protector as I can,' Usher said on the French radio show Le 6/9 in 2010.
Braun meanwhile
'I definitely try to be as much of a big brother, mentor and protector as I can,' Usher said on the French radio show Le 6/9 in 2010; he and Bieber are pictured at the 2011 Grammy Awards
Bieber went viral for his singing videos on YouTube in 2007 at the age of 13, leading to his discovery by business partners Braun and Usher; Bieber and Usher pictured in 2012
He announced his retirement from the profession in June 2024, one day after he and Bieber ended their business relationship.
Bieber and Braun's bond disintegrated into an explosive financial feud that ended with a settlement last year, in which the pop act allegedly , sources told TMZ.
Under the terms of the deal, Bieber was also reportedly meant to .
Usher and Bieber's history with Diddy fell under renewed scrutiny when the rap mogul .
After a highly publicized trial,, though he was found guilty on two lesser charges of transportation to engage in prostitution.
As the scandal swirled around him, an old video resurfaced of him and a 15-year-old Bieber in which they .
'He's having 48 hours with Diddy, where we hanging out and what we're doing we can't really disclose. But it's definitely a 15-year-old's dream,' said Diddy.
'I have been given custody of him. He's signed to Usher and I had legal guardianship of Usher when he did his first album. I don't have legal guardianship of him but for the next 48 hours he's with me and we're gonna go full crazy.'
Bieber, 30, and Usher, 47, have both also been the underage proteges of disgraced rap mogul Sean ' Diddy' Combs, 56, whom Usher is pictured with in 2002
Speculation reached such a fever pitch that Bieber broke his silence through a spokesperson to deny that Diddy had ever sexually abused him; Bieber and Diddy pictured in 2010
Bieber - who was standing next to Diddy in the video -
Another unearthed video showed Diddy asking a then 16-year-old Bieber why he had not 'been calling me and hanging out the way we used to hang out.'
An apparently anxious Bieber replied that Diddy had 'tried to get in contact with me' but 'never got my number. I'm going to tell you my number.'
Fan concerns
Speculation reached such a fever pitch that Bieber broke his silence through a spokesperson to deny that Diddy had ever sexually abused him.
'Although Justin is not among Sean Combs' victims, there are individuals who were genuinely harmed by him. Shifting focus away from this reality detracts from the justice these victims rightfully deserve,' said the statement provided to TMZ.
Meanwhile, when Usher was 15, his manager LA Reid sent him to Los Angeles to spend a year .'
'It was pretty wild. It was crazy. There were very curious things taking place and I didn't necessarily understand it,' Usher said on The Howard Stern Show in 2016.
When he was then asked whether he would ever send his own children to 'Puffy Flavor Camp,' Usher categorically
