She's usually the picture of young elegance when she hits the red carpet or performs for a crowd.
But it seems that Selena Gomez might have one unsightly habit that brings the superstar down to earth.
As she walked to lunch with a friend in Los Angeles on Monday, the 20-year-old gnawed at the nail of her index finger.
The actress seemed to be in a daze as she strode into Kabuki Sushi sampling on the ends of her fingernails.
Despite her forlorn appearance, the Spring Breakers starlet was otherwise lovely in a summery ensemble.
Letting the spirit of the laid-back season move her, Selena wore boho-chic wide-legged trousers in a black and red print.
To balance out the concealing bottoms, the former Disney star donned a black, belly-baring, sheer crop top with a bright red bra underneath.
In an effort to stay cosy in the air conditioned Japanese restaurant, the beauty wore a large, draped knit sweater that lay open.
Hanging in the crook of her arm was an enormous white satchel that pulled the entire look together.
The actress' long brown locks shone under the sunlight and blew with the wind away from her face, making her nibbling habit even more evident.
Selena must be enjoying as much free time as possible before the launch of her new album, Stars Dance, on July 23.
She immediately will follow the release with her forthcoming Stars Dance Tour, which kicks off August 14 at Vancouver's Rogers Arena.
As far as acting goes, she'll next play a gun-toting hacker in the action-crime flick Getaway starring Ethan Hawke and Jon Voight - due out August 30.
Gomez locks lips with teen idol Nat Wolff in the comedy Behaving Badly starring Mary-Louise Parker, Elisabeth Shue, Heather Graham, Cary Elwes, and Dylan McDermott.
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