Ireland Baldwin may be a newcomer to the fashion game, but she's working it alongside the best of them!

Alex Baldwin's 17-year-old model daughter was one of the red carpet guests at last night's amfAR Inspiration Gala in NYC -- where she looked just like her mom, Kim Basinger, in a low-cut black gown and classy updo.

There to accept her Humanitarian Award, Jennifer Lopez also stunned in a metallic blue dress that showed off her very famous curves. Check out the view from the back in the gallery above!

And 43-year-old Uma Thurman put her girls on display in a pink gown that accentuated her slim waist ... and a whole lotta cleavage.

Other guests included the gorgeous Iman, Liza Minnelli and Carly Rae Jepsen -- check out all the arrival shots above.

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