Adrian Peterson
Adrian Peterson’s two-year-old son was allegedly beaten to death by the boyfriend of his mother (Reuters)

American football star Adrian Peterson's two-year-old son died after the infant was allegedly beaten to death by his mother's boyfriend and many celebrities have taken to Twitter, to express their condolences for him and his family.

Chris Brown: "My prayers go out to Adrian Peterson and his whole family. Love u bro."

LeBron James: "From my family we send our prayers up to your son and family! Sick for my friend. Strong guy but this one will bring the strongest down. SMH! Here for u homie. #AllDayAP #RIPKid #PopsWillSeeYouAgain"

Kendrick Lamar: "Prayers 4 @AdrianPeterson and family."

Kevin Durant: "Man this is crazy man, prayers up to Adrian Peterson and his family"

Jordin Sparks: "My prayers are with you @AdrianPeterson. I am so sorry for your loss."

Jamie-Lynn Sigler: "My thoughts and prayers are with @AdrianPeterson. There are no words to express how sorry i am for him and his family's loss. So so so sad"

Brandy Norwood: "Please join me in prayer for Adrian Peterson and his family for the tragic loss of his 2 year old son today."

Kim ZolciakBiermann: "My heart breaks for Adrian Peterson and his family! No parent should ever have to go through this."

Peterson has since gone onto Twitter to thank his fans and friends for their support.

"Thank you to my family, my fans and fans of other teams for their support," he wrote, adding, "The NFL is a fraternity of brothers and I am thankful for the tweets, phone calls and text messages from my fellow players. God Bless everyone and thank u so much."