We feel sorry for celebrities sometimes. All they're trying to do is go about their well-managed day in manicured peace, but then someone takes a photo of you in - admittedly - not your best outfit and then it's out there, and you're being criticised on the internet because you've worn a pair of bad jeans and even worse shoes.

But then again: we don't make the rules, and you're the one that's done this, Oscar Issac. You.

SEE ALSO: It's Time To Put An End To Britain's Biggest Style Crime

Usually a very dapper man with immaculate hair, for regular Joes it's encouraging to see that even the Star Wars star can fall foul to possibly the most common style pitfall a man can fall into: the dodgy jeans and brown shoe combo.

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Bear Grylls//Digital Spy

While the idea behind the outfit is solid for a grey day: wool blazer, navy cashmere jumper, selvedge denim and suede derbies, where this outfit fails is in its bottom half.

Starting with the jeans, as a guy on the shorter side (5'7" - we checked) Oscar looks even smaller because his jeans are a good 2 - 3 inches too long for him. If you're opting for regular fit denim with turn-ups, it's important that they have as little pooling as possible, lest you want to appear like you're wearing your big brother's castoffs at the age of 35.

Then we have the shoes - their brownness only exacerbated by the length of the denim. And while they're certainly not as bad as some of the pointy-toed tan monstrosities on show down your average high street, they could really do with being a few shades darker.

When it comes to footwear, the problem with lighter shades of brown is that they look out of place when worn with muted colours like grey, navy and black. Chocolate brown suede or Oxblood leather derbies would have worked better here.

As you'll know, the difference between a good outfit and a sloppy one can come down to fine margins, get the fit slightly wrong and the colour palette slightly off and you go from stylish man about town to a university lecturer who's trying his hand at being a bit cool.

But it's not all doom and gloom. Just take a look below at what can be done when you keep your colours and fit in check.

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Bear Grylls//Digital Spy
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Finlay Renwick
Deputy Style Editor
Mother, blogger, vegan, model, liar