Not only do we love love love her khaki skinnies, but that smile? Gorgeous!

X17 photographers caught Ali (er, Aliana?) Lohan out and about in New York City over the weekend, and Lindsay's little sister worked the sidewalk like a catwalk when we snapped her picture.

And speaking of Lilo, she's been laying low since getting out of rehab in late July, but rumor has it she was asked to host the season opener of Saturday Night Live! Lindsay has hosted the show five times now, and even though her last effort wasn't a smash success, she guest-hosted Chelsea Lately last month and booked a guest spot on Eastbound and Down, so things are definitely looking up for her.

But back to Ali ... even when she's not smiling, shes still stunning: