Rob Kardashian spent his 29th birthday with girlfriend Blac Chyna and her son with Tyga,Cairo at Legoland, California on Wednesday. Rob looked really trim in white t-shit,grey shorts and a base ball cap. Aww,they look happy! and Cairo is a sweet kid.More photos after the cut… Related Posts:Blac Chyna removes demonic tattooKhloe Kardashian wish brother, […]