But Shailene Woodley compromised her laid back flair as she turned 23-years-old on Saturday, donning a business casual look while sporting a full face of make-up.
The actress shared her special day with the entertainment industry by attending Variety's 10 Producers To Watch Brunch at the Culinary Institute Of America at Greystone during the Napa Valley Film Festival in St. Helena, California.
The Fault In Our Stars actress was clad in a cropped navy, black, and grey knit which she paired with checked grey ankle-length trousers and shiny black oxford flats.
Her brunette locks were pulled back and accessorised with a blue headband. Shailene looked in good spirits, smiling as she posed for pictures.
Of course, she did have a memorable Friday at the Hollywood Film Awards.
There, the rising starlet received the Breakout Performance Actress Award for her role as Hazel in The Fault In Our Stars.
Shailene described the character as 'a normal girl going through normal things' despite a cancer diagnosis.The actress also made headlines this year for her role as Tris in Divergent.
Meanwhile, Michelle Monaghan was another star to attend Saturday's event in a casual yet chic ensemble.
The 38-year-old actress displayed her lean physique in a white button-down blouse which she paired with slim black ankle-length slacks and white pointed-toe pumps.
The True Detective star kept her look simple by styling her locks in beach waves and wearing minimal make-up.
Bill Paxton and Kevin Costner were among other notable celebrities to show their presence at Variety's fete celebrating up and coming producers.
