Blac Chyna and Rob Kardashian co-host Vegas pool party (photos)

The expectant parents who have been nicknamed 'BlacRob' were the hosts for a pool party at the Tropicana Las Vegas and TMZ reports that their rider demanded 'multiple bottles of booze'. Their expensive bling was on show with Blac Chyna rocking the $90K, rose gold, diamond-encrusted Rolex she got from Rob while he spotted a $150K Rolex. Chyna still has Tyga's tattooed on her arm, the rapper was born Michael Nguyen-Stevenson. See more photos after the cut...