Khloé Kardashian — who has a 20-month-old daughter True with ex-partner Tristan Thompson — was one of the first to send well-wishes to Cassie.
The reality star commented on the post: “Congratulations beautiful!!!!! You’re a mommy!!!!! (sic)”
Cassie revealed the couple was set to become parents back in June on Instagram. Alongside a slideshow of images of herself and her boyfriend sitting in a car, she wrote: “Can’t wait to meet our baby girl [heart emoji] Love You Always & Forever.”
He also shared a touching letter he wrote to his unborn daughter and pledged to always be her “number one fan.”
Alongside a photo of him kissing Cassie on the cheek, Fine wrote: “I will be the first man in your life and will show you the greatest love and affection now and forever.
“I never thought my heart could grow bigger after meeting your mother… then I found out we were having you and I instantly felt a love that is so indescribable.
“I promise to be at every dance recital, concert, sporting event, school plays whatever you decide to do I will be there and support you. I am your number one fan.
“I promise to be a man that you and your mother look up to and love. I will always listen and put the both of you first.”
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