The 18-year-old shared several photos from the special day on Instagram Sean "Diddy" Combs’ daughter ... one of her smiling ...

Misa Hilton-Brim and Sarah Chapman, who also share children with Diddy, mourned the loss of Porter — as did his ex-girlfriend Cassie Maria Pasquini is the staff editor for human interest’s ...

Sean 'Diddy' Combs' teenage daughter ... Although the young woman's mother Sarah Chapman and 26-year-old brother Christian 'King' Combs appeared in the photos, there was no sign of her father.