World richest billionaires: guess who's back on top?

The annual envy list is out again, listing the world's richest billionaires, and their massive fortunes. According to Forbes there are now 1,645 billionaires around the world - including 172 women - with a combined total wealth of $6.4 trillion. Two thirds of these people made their own fortune.

So who took the top spot, and which famous face was the highest climber?%VIRTUAL-SkimlinksPromo%