By DAILY MAIL REPORTER
She was at her glamorous best during Paris Fashion Week this week, even flashing an elusive smile during the Zuhair Murad show.
But Kristen Stewart was back to her usual glum-looking self as she touched back down in LAX on Thursday, wearing a stony-faced expression.
The 23-year-old had ditched the elegant red carpet outfit that she'd worn earlier in the day for something more in keeping with her trademark grungy style, wearing ripped, low slung jeans and a white vest as she strode defiantly to her car.
The Twilight actress looked a little tired as she arrived back in Los Angeles, having clearly not got much rest on the long-haul flight.
Kristen kept her long, dark hair in the same style that she'd worn it in on the red carpet earlier in the day, having clearly not had the time to change it.
Kristen whipped out her phone as soon as she jumped into the backseat of her car
Kristen looked weary as she climbed into her car, following her first public appearance since her break-up with Robert Pattinson
And things were made more difficult for the star when the actor was spotted driving through town with a new female companion earlier in the week.
While the mystery woman was originally thought to be Kristen's The Runaways co-star Riley, her spokesman has denied it.
While both Kristen and Robert currently reside in LA, their paths are not set to cross anytime soon, as the British actor is due to start filming Map To The Stars in Toronto on Monday.
Kristen Stewart wore a see-through jumpsuit to the Zuhair Murad show during Paris Fashion Week on Thursday
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