Diddy threw the ultimate party for his first born son, Justin, for his twenty-first birthday in Los Angeles. A crew of celebs were present at the bash, including Justin Bieber, Kendall Jenner, A$AP Rocky, and French Montana. 

According to TMZ, Diddy toasted his son during the '90s themed bash and allegedly bragged about Justin's massive trust fund.

Check out more photos from the party in the above slide. 

Source: TMZ