Hollywood's top TV stars will be hitting the 2011 Primetime Emmy Awards in Los Angeles this Sunday. And while the envelopes are still sealed on who will be walking away with a golden statue, fans are buzzing about which leading ladies will be among the evening's best-dressed.

Here, a look back at three of this year's nominees who were decked out in gorgeous gowns and dazzling jewels during the 2010 awards show.

Tina Fey looked elegant in a pewter-and-black silk Oscar de la Renta number with a mini train and organza overlay. The comedienne is up for Outstanding Lead Actress in a Comedy Series (30 Rock) for the fifth year in a row.  (She won in 2008.)

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Sofia Vergara sparkled in a canary yellow Carolina Herrera strapless dress. The Modern Family star received an Outstanding Supporting Actress in a Comedy Series nod for the second year in a row.

Mad Men actress Christina Hendricks wowed in a lavender, cleavage-baring Zac Posen gown. She too has been nominated for a best supporting role for the second year in a row: Outstanding Supporting Actress in a Drama Series.

So which silver-screen stars will stun on the red carpet again this year? Be sure to check back on Sunday night as Us Weekly covers the Emmys live on Sept. 18 at 8 p.m. EST.

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Watercooler Poll

Whose Emmy Dress Are You Most Psyched to See?

Tina Fey
Sofia Vergara
Christina Hendricks