Britney Spears and Isaac CohenBritney Spears has furthered rumours that she’s dating model Isaac Cohen after the two spent the weekend in Las Vegas together.

The pair were first spotted together last weekend, lounging in a powerboat off the Marina del Rey just outside Los Angeles and have been seen out and about together several times since then.

A source told People magazine that they checked into the Fantasy Tower suite at The Palms in Las Vegas on Saturday and stayed in the two-storey Hugh Hefner Sky Villa at a cost of $40,000 a night. The villa includes a private pool and jacuzzi, an 8ft rotating bed and a full bar.

Later that evening, the new couple were spotted at Pure in Caesars Palace then dancing together at 8½, a club just off the infamous Strip, but they only stayed at the latter for around an hour before retiring to their luxury suite.

An onlooker told the magazine: “They seem very happy together.”