By Alexis Tereszcuk - Breaking Celebrity News Senior Reporter

Lindsay Lohan’s little sister Ali, is a brunette beauty with a blossoming modeling career but in these shocking new photos obtained by Breaking Celebrity News the teenager’s gaunt face is causing alarm in her family.

Ali, 17, was snapped in Beverly Hills on Tuesday and her thin frame is a stark contrast to the healthy looking girl she was just five months ago, when photographed in March.

“It’s scary to see my daughter looking like this,” her father Michael Lohan exclusively told Breaking Celebrity News.  “Ali was always on the thin side but seeing how much weight she’s lost there appears to be a drastic change that concerns me.”

As Breaking Celebrity News previously reported, Ali has just signed a contract to model with the famous agency NEXT Model Management.

“In fashion, Ali will set herself apart as a bona fide icon.  One that fashion fans will follow not because of her famous last name, but because of the beautiful images and fashion trends she is helping create,” Alexis Borges, Director, NEXT LA said.