SHE single-handedly forced us into gypsy skirts, low-slung belts and furry gilets for an entire summer but the question is, will we all be rushing out to bag ourselves Sienna's latest accessory?
I refer, of course, to her kooky-looking fella, Notting Hill actor Rhys Ifans.
After enthusiastically embracing boho because she looked so good in it, will she also convince us it's just as cool to hook up with a guy with a face like a bag of span
ners?
Critics seem bewildered by their supposedly "mismatched" relationship.
Well, blokes that look like Steve Buscemi and Mackenzie Crook might have you reaching for the sick bag but it seems they could hold the key to eternal happiness.
US scientists reckon we have happier, more secure marriages when the woman is considerably better looking than her other half.
But very handsome men tend to have negative and regretful feelings towards less attractive wives.
So must beautiful girls look for a beast rather than a Prince Charming to be sure of a fairytale ending?
The research neatly supports the widely-held view that ugly men have better personalities because they've had to work harder to get people to like them.
So it seems that while shallow, looks-obsessed men are incapable of marital bliss unless they're married to a Jessica Alba type, we females display far more sophisticated mating habits and recognise that in the long-term a great personality means more than a six-pack.
You only need to look at Peter Andre to see how quickly a ripped torso can be replaced by ripples of blubber.
But at the risk of being disloyal to my fellow females, there's also a heap of less worthy reasons a honey will settle down with someone less attractive.
Cynics
Traditional cynics will assume he's wealthy or powerful but there are plenty of other motivating factors.
Pick a chap who has been savagely beaten with the ugly stick and you can leave him standing at the bar while you work the room, safe in the knowledge he will still be there when you return several hours later.
Likewise, an unattractive bloke is more likely to treat you like a princess because he appreciates how lucky he is to have you.
Good-looking men are usually too busy checking their hair in every reflective surface to even notice you've had your eyebrows threaded and a Kate Moss fringe cut. And let's face it, we women want to be the centre of attention.
Some ladies are so high-maintenance they can't bear to be with a man who's better looking than them.
They can't cope with every female head turning when they walk into a room and stressing over whether his eyes (and hands) might wander, so they plump for the safe option – pick a piglet and let him do the worrying instead.
Then again, some women just have a thing for quirky-looking characters or, even more radical – go for personality over looks.
And if a scruffy, lanky Welsh bloke and a bubbly blonde beauty happen to fall in love, lucky them.
After seeing how Sienna's relationship with Jude Law – one of the most beautiful men on the planet – turned out, who can blame her for choosing inner beauty this time round.
Home at last...
I just want to say a huge thank you to all the ladies who got in touch offering their support after reading about our battle to adopt a cat.
Most, despite being passionate animal lovers like myself and Mr N, complained they had experienced the same interrogations and unexpected refusals from so-called "rehomers".
In the end, forbidden by these all-powerful cat protectors from giving an unwanted kitten a new home we decided to cut out the middle men and women who, instead of helping us, were standing in our way.
Thankfully there are plenty of people out there who need to find their pet a new home.
And their main priority is that it goes to a good place, with people who will love it.
We've now got a beautiful cream kitten from Normanton and a cheeky tabby from Guiseley and feel like the cats that got the cream.
I just hope the other felines still waiting for a home have such a happy ending.
Saturday on the run
All too often Saturday mornings slip by unnoticed as we sleep off a big night out or nurse a hangover.
This weekend was wonderfully different.
By 9.30am Mr N and I had already run 5k in glorious sunshine, along with around 70 others, in the fantastic new Hyde Park Time Trial on Woodhouse Moor.
The free weekly event is organised by Leeds Uni to encourage people to get active.
Participants of all ages, shapes and sizes and all fitness levels take part and there's a real sense of camaraderie as you clock up the laps.
And it's all thanks to a bunch of saint-like volunteers who sacrifice their lie-ins to organise it and marshal the route.
Everyone's time is recorded and posted on the website that afternoon so there's a real incentive to do better next time.
I was on such a high after crossing the finish line, knowing that while our mates were still sleeping we'd already done our exercise for the day.
Weekends will never be the same again.
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