RIHANNA AND JAY-Z SPLASH OUT

Rihanna and Jay-Z racked up an astonishing $12,000 bar tab partying together on a recent night out in London.

The Umbrella hitmaker enjoyed an evening in the VIP section at the British capital's Vendome venue with the hip-hop star, minus his wife Beyonce.The pair both flew into the city on Tuesday (21Jul09) and headed straight to the venue, where they cordoned off an area and ordered so many bottles of alcohol they were they were faced with a very hefty bill at the end of the night.A source tells Britain's The Sun newspaper, Rihanna and Jay-Z arrived together and requested a private booth with two security guards. They ordered several bottles of vodka, tequila and red wine and were clearly enjoying themselves. They sat next to each other and chatted away like old pals. Rihanna was in high spirits and by the end of the evening she was up dancing, showing off some raunchy moves.