VIDEO : Rob Kardashian, Blac Chyna Kick Off His Birthday at Lego Land

Rob Kardashian kicked off celebrations with Blac Chyna and her three-year-old son on his birthday. The happy couple embraced their inner child with the tiny tot as they posed for photos with Lego sculptures and fooled around on the playground. Taking to Instagram and Snapchat, Rob and Blac shared their fun filled day ahead of Rob?s 29th birthday.