It’s no secret that Justin Bieber and Floyd Mayweather are best buds. When Bieber caught wind that three of Mayweather's children were involved in a car accident it was natural for him to run to their side.

While Mayweather was on the red carpet at the BET Awards in Los Angeles Sunday (June 29) it was brought to his attention that his children were in a fender bender. He just happened to be chatting with Biebs on the phone at the time, according to TMZ. Biebs immediately went into action to be by the children's side because he was near the scene of the accident.

Reportedly, Biebs told the police that he was a family friend and they let him see the children, who were not injured. Avid Beliebers, the mini Mayweather’s were happy to see Justin. He played them new music, before driving them to their father.

Biebs and Mayweather have been cool for years. The Canadian crooner walked out with the undefeated champ at his last two Las Vegas showdowns; and he came to Biebs' defense in the "n---er" joke aftermath. Mayweather's children are close to Bieber as well. He's attended and performed at several of Mayweather's children's events.

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(Photo: Headlinephoto / Splash News)