Paul Drinkwater/NBC/AP Images

WHAT SHE WORE Agron walked onto The Tonight Show with Jay Leno’s stage in a black cocktail dress paired with an eye-popping House of Lavande pendant necklace and sky-high heels.

CELEBRITY: Dianna Agron

DESIGNER: House of Lavande

TREND: LBD

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Dianna Agron

Dianna Agron

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