LONDON (Reuters) - SINGERS Rihanna and Jay-Z have racked up a S$15,000 bar bill during a night out, said media reports on Friday.

The singers partied with friends in the VIP lounge at London club Vendome mid-week.

Jay-Z - who is married to Beyonce - ensured their entourages enjoyed the evening by ordering countless bottles of expensive champagne and vodka.

"They had two of the VIP booths, so all of their people could mingle together,' a source told entertainment website Bang Showbiz.

'Jay-Z ordered countless bottles of Dom Perignon champagne along with vodka for both tables and the party really gathered pace."