Click the pictures to enlargeLast night, everyone’s favorite Napoleon Dynamite hottie Haylie Duff celebrated her 23rd birthday. And she did it in style.

Joined by her sister Hilary and friends, the “Our Lips are Sealed” singer started off the night with a delicious meal at the new hot spot in Los Angeles, STKhouse Restaurant.

Haylie wore a little black cocktail dress with a pair of nude-colored pumps and a black crocodile handbag. Meanwhile Hilary sported a more conservative look with a black top, red fabric belt and a pair of black pants.

After dinner, drinks, and dessert, the eldest Duff sister made her way to Hyde Lounge, accompanied by her man Nick Zano.

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