A teenager was shot in killed in front of her sister while on vacation.

Kristine Carman, 17, from Houston, Texas was visiting her older sister Lacey in Los Angeles when the incident occurred Wednesday night.

The two were in their car with a third individual when an armed man approached the car and after a confrontation shot Kristine in the head. He then ran away form the scene.

The shooting occurred at the Villa Marina Marketplace in Del Rey.

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Tragedy: Kristine Carman (above) from Houston, Texas was shot dead Wednesday night in front of her older sister Lacey

Heartbreaking: Kristine had been visiting her sister in Los Angeles when the incident occurred in the parking lot of a shopping center

Awful: The two had been in the car with a third individual when an armed man approached them and shot Kristine after a confrontation

'My sister was just murdered in front of me in a robbery gone wrong. There's little room for okay or much less of anything else at this point,' wrote Kristine's sister on Facebook.

She then added; 'Pray for my sissy.. My baby sissy...beautiful smart and undeserving.'

KTLA reports that the gunman is a 'black man wearing a gray hooded sweatshirt and blue beanie' who sped of in a dark-colored SUV.

'Kristine was exceptionally smart and wonderfully creative - she was a skilled photographer who loved taking photos. She was very close with her siblings, each of whom loved her immensely,' said the victim's father in a statement.

'Her family is devastated by this senseless tragedy, and appreciates everyone's prayers as we privately mourn this tremendous loss.'

Kristine's sister has started a GoFundMe page, writing; 'Someone so pure and innocent, undeserving of the cruel words greed.

'She died at 17 years young in Marina Del Ray. Her soul carried straight to heaven but leaft behind her gentle touch on our hearts in ways words cannot do justice.'

She is hoping to raise $15,000 to turn her sister's ashes into a life gem.

She closed by saying; 'Love your family dearly, don't hold onto grudges. You never know when it's time to walk the stairway to heaven.'

Police are still not clear what the gunman's motive was or of the events leading up to the shooting.