Ciao Bella
We are unworthy! Arriving at the Venice Film Festival, the actress shuts down the style competition in a mesmerizing printed Thakoon maxi dress and rust-colored topper.
Mad Plaid
Missing Coachella, Diane? The star steps out with longtime love Joshua Jackson sporting a Madewell top, cuffed denim shorts and cognac-hued suede booties.
Chic Steal
Be still our hearts: Diane proves yet again that she can do no wrong (and score a major deal) in this $45 Forever 21 culotte combo.
Cuff 'Em Up
The actress hit the streets with her man again in a low-key jeans and suede jacket ensemble.
Culottes Cool
Over the holiday weekend, Diane kept it cool in this breezy 3X1 top and culottes combo.
Lemon Drop
Yellow may be a daunting color for some, but not for Diane! She blends this cheery lemon Giambattista Valli frock with a pair of gladiator sandals.
Tres Chic
Touching down in Paris, she turns a stylish arrival into a jaw-dropping moment... for $5,600.
Experi-Mint
This minty Rebecca Minkoff shirt dress with slip-ons emits a casual vibe, but the $3,800 Chanel bag kick this outfit up a notch.
Chella Couture
Meanwhile at Coachella 2015, she schools the boho crowds with a polished color-blocked Lacoste number at the label's bash.
Peach Sorbet
She glows in a peachy multi-hued frock with Joie lace-up sandals.
Call Me Maybe
No need to dress up! The actress charms in causal cutoff denim shorts and a white crop top.
Hats Off, Style On
She's channeling some school girl charm in this skirt and blouse combo with a woven fedora and Robert Clergerie kicks.
Overalls Overhaul
If Diane can't get away with overalls, no one can! This trendy pair is courtesy of MiH jeans.
InSync
With beau Joshua Jackson, Diane breaks out an enviable pair of heels with an LBD and white blazer.
Toned Tummy
She flashes a sliver of midriff in an embellished Chloé top with classic Chanel sandals.
Wind Blown
Caught in the perfect gust of wind, the actress blows us away in this double-breasted blazer-turned-mini.
Shades On
She spices up her all-black ensemble with a fiery pair of red shades.
Boots or Bust
Sure the cozy gray coat and striped dress are nice, but this look is all about those thigh-high suede boots.
Dots & Stripes
Oh Diane, you never disappoint. She's once again flawless in a sharp navy blazer and striped pants.
Hand Holding
Holy hot couple! These two should be sauntering down the runway, not posing on the sidewalk.
Starbucks Run
Sweater weather alert! This gray topper and jeans combo—with that flawless Alexander McQueen bag—scream cozy fall fashion.
Blazer of Glory
For the faint of footwear, mustard shoes are a no-no. But for this beauty, they're the perfect addition to her animal-print frock and blazer combo.
Lanvin Lovin'
Lanvin shopping bag and Alexander McQueen tote in-hand, the busy actress keeps casual while indulging in some retail therapy.