Fab or flop: Harry Styles' bold Gucci getup, Gabrielle Union's army green jumpsuit and more

With Fashion Weeks in both London and Milan this week, stars were sporting the trendiest fall looks all over the world. We loved that celebs kept things bright and happy despite the cooler weather by decking out in some of the boldest colors we've seen so far this season.

We especially loved all of the celebs clad in Gucci this week. From Salma Hayek's gorgeous yellow embroidered sweater to Dakota Johnson's deep red flirty frock, the powerhouse designer did not disappoint. For the first time in a while, we even have a male celeb making a strong appearance in the "fab" section. We simply loved Harry Styles' stylish (couldn't resist that pun) gold patterned Gucci getup.

SEE ALSO: Fab or Flop: Kim Kardashian's completely sheer look, Scarlett Johansson's sexy leather top

Perhaps the biggest surprise of the week was Lindsay Lohan's adorable yellow long-sleeved shirt dress. While Lohan doesn't usually pull together the trendiest and most sophisticated looks, she looked simply sensational in the fun, bright and fashion-forward outfit.

As for flops, the biggest faux pas of the week was classless fur coats! As fur coats are meant to be reminiscent of old Hollywood glam and extremity, artificial colors take away the timelessness and elegance of the look. We're not a fan of striped fur coats either as they distract from the overall vibe.

Click through the gallery to check out all of the best and worst of this week's celeb style and come back and VOTE in our poll below!

Watch this video for the hottest fall 2015 trends:

Fab or flop: Harry Styles' bold Gucci getup, Gabrielle Union's army green jumpsuit and more

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