Jennifer Aniston still looks flawless! At 48, this girl's still got it -- no wonder she was able to snag hottie Justin Theroux!

Aniston wore her uniform -- raffia wedge sandals, rolled-up boyfriend jeans and a silk button-down and it looks awesome on her, so why change up a formula that works! She touched down at LAX after visiting her hubby in New York, where he's wrapped the third and final season of The Leftovers.

But Jen's got her own work lined up -- the upcoming Dumplin', to be directed by Anne Fletcher (The Proposal, Step Up) and executive produced by Aniston. The film is set in small-town Texas where an overweight teen Willowdean “Will” Dickinson decides to enter and win a teen beauty pageant. Aniston will play Willowdean’s mother, an ex-teen beauty queen herself, who runs the pageant and bestowed upon Will the titular nickname, Dumplin’.

Hmmm ... could Jen be carrying part of the script?