If Moscow whispers are to be believed, Pop princess Dasha Zhukova and boyfriend Roman Abramovich are no longer ensemble. The couple that was appeared to be headed to the alter have ended their relationship after disagreeing about the proposed pre-nuptual agreement. And while Abramovich’s former wife earned billions in the divorce settlement, Zhukova might end up with few nice parting gifts–like her own magazine. The billionaire’s camp has stayed mum about the situation, but the patrons at Moscow’s finest dining facilities simply can’t stop talking about it. Neither can we…