By NADIA MENDOZA
Best buddies: Vanessa is close to her sister Stella, having stepped out with her last week to buy pumpkins ahead of Halloween
You know it's a fashion faux pas when your eyes dart towards the celebrity's sidekick and not them.
Vanessa Hudgens opted for a pair unflattering tracksuit trousers that squeezed her in all the wrong places, while sister Stella stole the limelight during a sunny afternoon in Studio City, California.
Teamed with a black top that pulled in at the waist, the Sucker Punch star didn't do herself any favours with shaggy locks beneath her trucker cap.
Unflattering: Vanessa Hudgens opted for some rather clingy trousers during a shopping date with her sister as they headed to the gym
Her younger sibling, 16, soared in the style stakes with flared jeans, a simple vest top and adding an inch or two with cork wedges.
However, the 22-year-old has been busy piling on the pounds, as well as giving her tumbling tresses the chop, for her new role in Gimme Shelter.
Casual: Vanessa wore her gym gear as she headed to a cafe after her workout
In the film, Vanessa takes centre stage as Apple, a pregnant teen with a junkie mother who ends up living on the streets.
She said: 'It's (the weight gain) unrecognisable. Even when I'm like kind of done-up, I look in the mirror and I'm like, "I don't know who that is".
'Exercise makes me feel so alive.'