Rob Kardashian and Blac Chyna have fun at Legoland Credit: Courtesy Blac Chyna/Instagram

Happy pre-birthday to you! Rob Kardashian ramped up his 29th birthday celebrations with a celebratory trip to Legoland with girlfriend Blac Chyna and her son, King Cairo.

The couple spent Wednesday, March 16, at the San Diego theme park, where the trio evidently had a blast going on rides and enjoying the amazing Lego models.

"Pre Birthday Turn up," the excited Arthur George sock designer captioned a shot of himself and Chyna posing next to a giant Lego house.

The couple also gave fans Snapchat updates through the day as they headed to the playground for King Cairo, 3, to run around, goofed with Lego creations and had fun in Miniland USA.

Baby Einstein ๐Ÿ˜

A photo posted by (@blacchyna) on

Taking time for a meal, just the two of them, that evening, Chyna tried to get her boyfriend excited about his forthcoming celebration, which coincides with Saint Patrick's Day.


A photo posted by ROBERT KARDASHIAN (@robkardashian) on

Sitting in front of an empty dinner plate (that looks like it might have contained a salad) Kardashian smiles as Chyna tries to get her beau into the party mood.

"It's your birthday, come on! In a few hours," she says. "Are you excited?"

Kardashian stretches like he just woke up. "C'mon grandpa!" she jokes.

Follow @kourtney.snapchats

A video posted by Rob K Snapchats (@robphuckedme) on

Earlier in the day, Kardashian was spotted grinning happily in a gas station as he filled up for his road trip down to San Diego.

"They both looked so happy,” an eyewitness told Us Weekly. 

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