Katherine McNamara Hits Teen Vogue's Annual Young Hollywood Party

Photo by Jon Kopaloff/FilmMagic

Beverly Hills, California - Eightteen year old 'Happyland' star Katherine McNamara looked gorgeous wearing a black dress like romper with high heels as she hits the 12th Annual Teen Vogue Young Hollywood Party with Emporio Armani on September 26, 2014 in Beverly Hills, California.

Katherine McNamara is an American actress and singer. She is best known for playing the role of Myra Santelli in the Disney Channel original movie Girl vs. Monster. She will star in the upcoming MTV series 'Happyland'.

Photos by Michael Buckner/Getty Images for Teen Vogue

Photo by JB Lacroix/WireImage

Photo by JB Lacroix/WireImage

Photo by JB Lacroix/WireImage

Photo by JB Lacroix/WireImage

Photo by Jon Kopaloff/FilmMagic

Photo by Jon Kopaloff/FilmMagic

Photo by Jon Kopaloff/FilmMagic

Photo by Michael Buckner/Getty Images for Teen Vogue

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Photo by Donato Sardella/Getty Images for Teen Vogue

Photo by Donato Sardella/Getty Images for Teen Vogue

Photo by Jon Kopaloff/FilmMagic

Photo by Michael Buckner/Getty Images for Teen Vogue

Photo by JB Lacroix/WireImage

Photo by JB Lacroix/WireImage

Photo by JB Lacroix/WireImage

Photo by Michael Buckner/Getty Images for Teen Vogue