Lindsay Lohan is a big supporter of her lil' sis Ali's new modeling career ... but it was Lindsay -- and her boobs -- who stole the show yesterday at Ali's fashion show in NY.
19-year-old Ali was one of the featured runway models at the Wendy Nichols fall fashion show in SoHo ... a show that seemed to combine Lord of the Rings chic with a goth funeral.
Lindsay wasn't involved in the show -- but dressed the part anyway, sporting a low cut number that highlighted her Baggins (LOTR joke!).
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