But before nominees like Julia Louis-Dreyfus and Jon Hamm make their way into the show, they must first brave the red carpet at the Microsoft Theater in Los Angeles.
Sofia Vergara, Amy Schumer, Kerry Washington, and many more all came out for Sunday's big show.
Here's what celebrities wore at the 67th annual Emmy Awards...
Emmys host Andy Samberg, with wife Joanna Newsom, were among the first on the red carpet.
But "Modern Family" star Sofia Vergara quickly stole the spotlight in her St. John gown with fiancé Joe Manganiello. "Modern Family" is nominated for Outstanding Comedy Series.
"American Horror Story" star Lady Gaga went with a more subdued Brandon Maxwell gown.
"Scandal" star and presenter Kerry Washington in a Marc Jacobs dress.
"Mad Men" best supporting actress nominee Christina Hendricks in a Naeem Khan dress.
"Parks and Recreation" Lead Actress nominee Amy Poehler wearing a Michael Kors dress.
"Mad Men" nominee January Jones looking glum in a green Ulyana Sergeenko jumpsuit.
Jones looked happier when she reunited with "Mad Men" co-star Elisabeth Moss, who is wearing an Oscar de la Renta dress.
"Empire" star Taraji P. Henson.
"Veep" best actress winner Julia Louis-Dreyfus wearing a Safiyaa dress.
"Game of Thrones" stars Lena Headey and Maisie Williams.
"Homeland" star Claire Danes, wearing Prada, with husband Hugh Dancy.
"Ray Donovan" best actor nominee Liev Schreiber with longtime partner Naomi Watts, in a Christian Dior dress.
Felicity Huffman and husband William H. Macy. Huffman is nominated for Outstanding Leading Actress in a Miniseries for "American Crime" while Macy is nominated for Outstanding Lead Actor in Comedy Series for in "Shameless."
David Benioff, with wife Amanda Peet, won an Emmy for best dramatic writing on "Game of Thrones."
"Orange is the New Black" star Taylor Schilling wearing a Stella McCartney dress and clutch. The show is nominated for Outstanding Drama Series.
"Orange is the New Black" actress Laura Prepon in a Christian Siriano gown.
"The Honourable Woman" best actress nominee Maggie Gyllenhaal in an Oscar de la Renta dress.
Presenter Heidi Klum in Versace
"American Horror Story: Freak Show" actress Jessica Lange in a J Mendel gown.
"Unbreakable Kimmy Schmidt" star Ellie Kemper.
"Kimmy Schmidt" co-star Jane Krakowski. The Netflix show is nominated for seven awards.
"Top Chef" host Padma Lakshmi. The reality show was nominated for Outstanding Reality-Competition Program.
"Black-ish" star and presenter Tracee Ellis Ross.
"Dancing With The Stars" judge Julianne Hough in a Marchesa gown, with brother Derek Hough.
Jaimie Alexander and Peter Facinelli.
"Transparent" stars Gaby Hoffman and Judith Light.
"Parks and Recreation" actress Aubrey Plaza.
15-year-old "Mad Men" actress Kiernan Shipka.
24-year-old "Scream Queens" actress Emma Roberts in a Jenny Packham gown.
"Modern Family" actos Nolan Gould and Rico Rodriguez had fun on the red carpet.
"Jane The Virgin" star and last year's best actress in a comedy winner Gina Rodriguez.