Rob Kardashian celebrated his daughter Dream's birthday on Instagram Wednesday, writing in part: 'HAPPY BIRTHDAY to my Best Friend!! Today you are 5!!!! This is wild!' ...

Although Dream is still “so little,” she already likes to bop along to music. “Dream is starting to be into more dancing now, so I’ll hype her up, and that’s how King was too.

Highlighting how much affection Dream has for her younger cousins, Kardashian West, 39, also shared photos of the youngster spending time with her son Psalm as well as Khloé’s daughter True.

Dream celebrated her third birthday in style! On Sunday, Nov. 10, Rob shared a sweet photo series to Instagram that pictured his daughter looking happy as can be on a helicopter ride with her dad.