It's Jacket Weather! Big Sean, Salma Hayek & Naomi Watts Bundle Up

Temps have dropped and holidays are in the air so that means it's officially jacket weather.

Even in a warmer climate like Los Angeles, celebs are swapping tank tops for trench coats!

Seems like the trend this season are long, duster style coats.

Big Sean opted for a colorful black and red one, while Naomi Watts is sticking with classic wool.

Fun fall clothes might be the only thing that makes leaving summer behind more bearable.

Click to see celebs in the hottest coats this season!