Ali Lohan signs a modelling contract, then trips in the street

Ali Lohan signs a modelling contract, then trips in the street

Destined to fall Ali Lohan signs a modelling contract, then trips in the street

3:26 PM on 10th August 2011

Mind the step! Ali trips on a curb while trying to get into her friend

Mind the step! Ali trips on a curb while trying to get into her friend”s car

Model behaviour: Ali laughs off the incident but seems embarrassed Model behaviour: Ali laughs off the incident but seems embarrassed

Model behaviour: Ali laughs off the incident but seems embarrassed

Ready for her close-up Ali seems shy as she hides her face from paparazzi on a day out in Santa Monica with a friend

Ready for her close-up Ali seems shy as she hides her face from paparazzi on a day out in Santa Monica

Provocative: Ali starred in the campaign for her sister

Provocative: Ali starred in the campaign for her sister”s fashion line 6126

Big sis: Yesterday Lindsay was spotted writing in a book with a friend outside a bar and grill in L.A.

Big sis: Yesterday Lindsay was spotted writing in a book with a friend outside a bar and grill in L.A.

Celebrity sisters: Ali is following in Lindsay

Celebrity sisters: Ali is following in Lindsay”s footsteps on a quest for fame