On his Instagram, Al B. Sure! posted an old pic of the two together. In the caption, he wrote #ForeverMyLady, a nod to the Jodeci song. Al B. Sure! wrote the song, which was about Porter, for Jodeci.
Authorities reportedly received a call to Porter's Toluca Lake home around noon, and the emergency dispatch audio call came in as a patient in cardiac arrest.
Sources told TMZ that she'd been suffering from pneumonia for several weeks. The cause of death is unclear.
Diddy's rep Cindi Berger released a statement to TMZ saying, "Sadly, I can confirm the passing of Kim Porter. I ask that you give the families privacy at this time."
Numerous celebrities have expressed their condolences to Porter's family.
"Yo man....heart goes out to the family," Questlove tweeted.
\u201cYo man.... heart goes out to the family https://t.co/XXsO3W7Cag\u201d
"This is so heartbreaking. Lord please give her kids & her whole family strength," Missy Elliott also tweeted.
\u201cThis is so heartbreaking\ud83d\ude25 Lord please give her kids & her whole family strength \ud83d\ude25\ud83d\ude4f\ud83c\udffehttps://t.co/vJprHqw0ZZ\u201d
Keke Palmer also offered a heartfelt post to Porter on Instagram.
"We would laugh and talk and you would tell me everything I needed to learn, never holding back and always keeping it fun," Palmer wrote. "I enjoyed our talks and you opening your home to me, your cooking that you promised to teach me and I mourn at the reality that now you never will. You really meant a lot to me, you maybe didn’t know all I was going through but your companionship was very important in my life."
Porter gave birth to her oldest son Quincy with Al B. Sure in 1991. She'd later have Christian Casey Combs and twins Jessie James Combs and D’Lila Star Combs with Diddy.
Porter was also an accomplished model, appearing on the cover pages of Elle and Marie Claire, as well as being the muse for brands like Tommy Hilfiger and Revlon.
See other reactions below.
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\u201cR.I.P. Kim Porter \ud83d\ude4f\ud83c\udfff\ud83d\ude4f\ud83c\udfff\ud83d\ude4f\ud83c\udfff\ud83d\ude4f\ud83c\udfff prayers up for the family\u201d
\u201cMy lord... please pray for this family! This hit me so hard.... \ud83d\ude4f\ud83c\udffd\ud83d\ude4f\ud83c\udfff\ud83d\ude4f\ud83c\udffe https://t.co/WNnnk0u4jc\u201d