Rob Kardashian says daughter Dream makes him "so happy."

The 29-year-old reality star penned an emotional tribute to the 3-month-old Wednesday on Instagram following his reported split from the infant's mom, Blac Chyna.

"Saying bye to my beautiful baby girl ..... she is smiling at me. U see how she looking at her daddy," Kardashian captioned a photo of himself with his daughter.

"I literally can't get enough of this girl,,, I never felt a love or happiness like this ever in my life and she makes me so happy ,,,about to miss her so much," he added. "Love You baby Dream."

Kardashian and Blac Chyna welcomed Dream in November after getting engaged in April. The pair reportedly called it quits again in February following a highly-publicized split in December.

"The wedding plans are off," a source told People. "They are both trying to be mature about it. It was less dramatic this time."

"Chyna is super fed up with Rob and thinks he is way too emotional and depressed. She thinks he has terrible issues," the insider added. "He is always battling his own insecurities and is unstable. It's a major turn-off to her."

E! News reported in February that Rob is focusing on "himself, the baby" and his sock line in the wake of the breakup.

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He spent time with Dream, sister Kim Kardashian and mom Kris Jenner on Monday, as seen in a Snapchat post from Kim.

Kardashian and his family came to fame on the E! series "Keeping Up with the Kardashians," which will return for a 13th season March 12.

NBA star James Harden addressed his split from Khloe Kardashian for the first time this week.