Rob Kardashian Shares Sweet New Photo of Baby Dream: 'I Am So Lucky!'

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Baby Dream is less than 24 hours old, and she's already ruling her dad's heart.

Rob Kardashian took to Twitter on Thursday, just hours after his daughter's birth, to share a sweet new photo of his little one.

WATCH: Kardashian Family Welcomes Blac Chyna and Rob's Baby Daughter Dream -- See the Sweet Messages!

"Today was amazing :) I am so lucky!!" he captioned the pic. "Thank you @blacchyna for having our baby and being so strong ! I love you so much and can't wait to see her get older day by day with you Chy! I love you and Dream so much and Appreciate both of you."

"I know everyone saying that's my twin but that's def your nose Chy lol," he added.

RELATED: Blac Chyna Does the Mannequin Challenge Moments Before Giving Birth to Baby Dream -- See the Epic Delivery Room Video!

Rob and his fiancée, Blac Chyna, welcomed Dream Renee Kardashian early Thursday morning, and has already received quite an audience at the hospital.

Kris Jenner was there for the birth, while Kourtney Kardashian and Scott Disick arrived to meet Dream later that morning. Khloe Kardashian, Kylie Jenner, and Amber Rose also headed to the hospital to meet the newborn.

See more on the newest Kardashian baby in the video below.