Muhammad Ali died on June 3 after his brief hospitalization for respiratory issues.
The 74-year-old was surrounded by family and friends in a Phoenix-area hospital at the time of his passing.
The father-of-nine also suffered from Parkinson's disease for more than 30 years.
In the wake of the boxer's death, his celebrity fans and friends have taken to their social media accounts to express their grief.
Diddy was close with the boxer, and shared a series of photos on his Instagram.
carsondaly15 yrs ago, my friend @iamdiddy took me to meet #MuhammadAli I'll never forget it. Praying for his family today. #rip #thegreatest
Carson Daily even shared a photo of when the Bad Boy rapper introduced him to the boxing legend.
took to his Twitter account to send the Ali family his condolences.
Bridezilla Mariah Carey
shared a photo of when she met Muhammad.
shared a sentimental picture of his signed boxing gloves.
shared her deepest condolences as well.
Finally, Snoop Dog shared a photo of himself partying with the boxing legend.