Uma ThurmanUma ThurmanThere's something fishy going on here.

And mark our words we will get to the bottom of it.

Showbiz Sherlock is on the case...

And here's what we've got so far - the word is Uma Thurman is engaged to her Swiss millionaire lover.

But is this F-A-C-T or should we dismiss it as showbiz hearsay?

If it is of the truth variety it's all a bit of a whirlwind.

But let's face it, that ain't all that surprising, relationships in Celebville seem to go 10 times faster than the average Joe's.

Uma has only been dating banker Arpad "Arki" Busson since the summer.

And was said to be shocked and delighted when Arpad popped the question to her last week.

Uma and Arphad BussonUma and Arphad BussonA source told US paper Post Chronicle: "They have only been together a few months, but Arpad was determined to snap Uma up as quickly as possible.

"They make a great couple and are totally smitten with each other."

But we haven't as of yet unearthed a splicing date for the twosome or know where they're going to do the deed.

But we'll be sure to keep you posted.