Joined by her son, Thomas Guest, the two Warcraft superfans rocked green face paint and some stunningly intricate costumes to the TCL Chinese Theatre in Hollywood for the premiere of the long-awaited sci-fi/fantasy epic, based on the wildly-popular multi-player online video game, World of Warcraft.
Curtis and Guest stopped to talk with ET's Ashley Crossan about their wild outfits, and the 57-year-old Golden Globe winner explained, "We're serious about our games."
Curtis also opened up about being introduced to Blizzard Entertainment's addictive MMORPG by her son.
"My son Tom is a player and I'm a supporter," Curtis shared, before adding that she loves the expansive digital fantasy realms in Warcraft as well. "I think that what Blizzard has done has changed the universe."
Jamie Lee Curtis and family:
Jamie Lee Curtis and family
EXCLUSIVE: Jamie Lee Curtis and son cosplay at 'Warcraft' premiere in full makeup: 'We're serious about our games'
American actor Tony Curtis (1925 - 2010) with his wife, actress Janet Leigh (1927 - 2004) and their daughters Kelly Curtis and baby Jamie Lee Curtis, 1958. (Photo by Earl Leaf/Michael Ochs Archives/Getty Images)
Janet Leigh and Jamie Lee Curtis during LA Tennis Tournament in Los Angeles, California, United States. (Photo by Ron Galella/WireImage)
LOS ANGELES - DECEMBER 1978: Actress Jamie Lee Curtis and mother Janet Leigh pose for a portrait in December 1978 in Los Angeles, California. (Photo by Donaldson Collection/Michael Ochs Archives/Getty Images)
Actor Tony Curtis and actress Jamie Lee Curtis attend Tony Curtis' Art Exhibition Dinner Party on April 22, 1989 at Beverly Hilton Hotel in Beverly Hills, California. (Photo by Ron Galella, Ltd./WireImage)
Jamie Lee Curtis and Janet Leigh during Look Magazine Party - February 14, 1979 at Jimmy's Restaurant in Beverly Hills, California, United States. (Photo by Ron Galella/WireImage)
American actress Jamie Lee Curtis and her mother, actress Janet Leigh (1927 - 2004), attend the Photoplay Awards at the TAV Celebrity Theatre in Hollywood, California, 29th September 1979. (Photo by Michael Ochs Archives/Getty Images)
Actor Tony Curtis and actress Jamie Lee Curtis attend the American Women in Radio & Television - Southern California Chapter's 36th Annual Genii Awards on May 30, 1991 at Beverly Hills Hotel in Beverly Hills, California. (Photo by Ron Galella, Ltd./WireImage)
NEW YORK, NY - CIRCA 1980s: Jamie Lee Curtis and her mom Janet Leigh circa 1980s in New York City. (Photo by Sonia Moskowitz/IMAGES/Getty Images)
BEVERLY HILLS, CA - MARCH 10: Actress Jamie Lee Curtis and mother actress Janet Leigh attend the Young Musicians Foundation's Second Annual Celebrity Mother/Daughter Fashion Show on March 10, 1983 at Beverly Hilton Hotel in Beverly Hills, California. (Photo by Ron Galella/WireImage)
Tony Curtis, his former wife Janet Leigh, and their daughter Jamie Lee Curtis (Photo by Jim Smeal/WireImage)
HOLLYWOOD, CA - SEPTEMBER 3: Actress Jamie Lee Curtis, husband actor/writer Christopher Guest, daughter Annie Guest and mother actress Janet Leigh attend the Hollywood Walk of Fame Star Ceremony to Honor Jamie Lee Curtis on September 3, 1998 at 6600 Hollywood Boulevard in Hollywood, California. (Photo by Ron Galella, Ltd./WireImage)
US actress Jamie Lee Curtis (R) reacts as she is honored with a star on the 'Walk of Fame', as her mother, veteran actress Janet Leigh, watches during a ceremony 03 September in Hollywood, CA. Curtis joins her famous mother and her father, actor Tony Curtis, who also have stars on the legendary Hollywood Boulevard. AFP PHOTO Vince BUCCI (Photo credit should read VINCE BUCCI/AFP/Getty Images)
LOS ANGELES - APRIL 14: (U.S TABS AND HOLLYWOOD REPORTER OUT) Actress Jamie Lee Curtis (L) poses with her step-father Bob Brandt, her mother actress Janet Leigh and her sister Kelly at the party after the premiere of 'A Mighty Wind' at the Directors Guild on April 14, 2003 in los Angeles, California. (Photo by Kevin Winter/Getty Images)
And for Curtis, Blizzard's exciting game has certainly changed things in her own life, including building a stronger relationship with her teenage child.
"The astonishing thing about being a parent is that your children bring things to you that you would never, ever, ever, ever know," Curtis explained. "And you hope that you bring a few things to them that are interesting."
Curtis and Guest aren't the only parent/child duo brought together by Warcraft. Director Duncan Jones recently spoke with ET about his how father, late music legend David Bowie, had seen a rough cut of the film before his death in January and was proud of Jones for what he'd accomplished as a filmmaker.
"He was just excited for me to be branching out and trying out different things," Jones recounted. Check out the video below to hear more from the acclaimed director. Warcraft explodes into theaters on Friday.