"Carrie was one-of-a-kind...brilliant, original," Ford said in a statement. "Funny and emotionally fearless. She lived her life, bravely."
Ford went on to say that his thoughts were with Fisher's mother Debbie Reynolds, daughter Billie Lourd, and brother Todd Fisher.
"We will all miss her," he said.
See photos of the pair together:
Carrie Fisher and Harrison Ford
Carrie Fisher and Harrison Ford
American actors Mark Hamill, Carrie Fisher and Harrison Ford on the set of Star Wars: Episode IV - A New Hope written, directed and produced by Georges Lucas. (Photo by Sunset Boulevard/Corbis via Getty Images)
American actors Carrie Fisher and Harrison Ford on the set of Star Wars: Episode V - The Empire Strikes Back directed by Irvin Kershner. (Photo by Lucasfilm/Sunset Boulevard/Corbis via Getty Images)
American actors Carrie Fisher, Harrison Ford and British Anthony Daniels on the set of Star Wars: Episode V - The Empire Strikes Back directed by Irvin Kershner. (Photo by Lucasfilm/Sunset Boulevard/Corbis via Getty Images)
American actors Carrie Fisher and Harrison Ford at a press conference for one of the 'Star Wars' films, circa 1980. (Photo by Maureen Donaldson/Getty Images)
JUN 15 1977, MAY 30 1978, JUN 4 1978; 'Star Wars' has Given three Performers that 'All-Important Break'; Featured in the popular science fantasy movie are, from left, Mark Hamill, Carrie Fisher and Harrison Ford.; (Photo By Steve Larson/The Denver Post via Getty Images)
UNITED STATES - CIRCA 2002: Harrison Ford and Carrie Fisher on Fifth Ave outside The Plaza hotel. They were in town for the movie 'Star Wars.' (Photo by Richard Corkery/NY Daily News Archive via Getty Images)
American actors Billy Dee Williams, Harrison Ford, Carrie Fisher and Mark Hamill on the set of Star Wars: Episode V - The Empire Strikes Back directed by Irvin Kershner. (Photo by Lucasfilm/Sunset Boulevard/Corbis via Getty Images)
Carrie Fisher, George Lucas, Harrison Ford & Geri Halliwell (Photo by Jean-Paul Aussenard/WireImage)
HOLLYWOOD - JUNE 09: (L-R) Actors Mark Hamill, Carrie Fisher and Harrison Ford speak onstage during the 33rd AFI Life Achievement Award tribute to George Lucas at the Kodak Theatre on June 9, 2005 in Hollywood, California. (Photo by Kevin Winter/Getty Images)
SAN DIEGO, CA - JULY 10: (L-R) Actors Carrie Fisher, Mark Hamill and Harrison Ford pose onstage at the Lucasfilm panel during Comic-Con International 2015 at the San Diego Convention Center on July 10, 2015 in San Diego, California. (Photo by Kevin Winter/Getty Images)
HOLLYWOOD - JUNE 09: (L to R) Jett Lucas, his father director George Lucas, actors Carrie Fisher, Harrison Ford and director Steven Spielberg pose at the 33rd AFI Life Achievement Award after party at the Highlands on June 9, 2005 in Hollywood, California. (Photo by Vince Bucci/Getty Images)
BERLIN, GERMANY - MAY 08: Journalists take pictures of wax figures of the actors (L-R) Mark Hamill as the Star Wars character Luke Skywalker, Harrison Ford as the Star Wars character Han Solo, Carrie Fisher as the Star Wars character Leia Organa, a Stormtrooper, the Star Wars charakter Darth Vader and another Stormtrooper displayed on the occasion of Madame Tussauds Berlin Presents New Star Wars Wax Figures at Madame Tussauds on May 8, 2015 in Berlin, Germany. (Photo by Clemens Bilan/Getty Images)
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Fisher recently revealed that she and Ford had an exciting three-month affair during the making of the first "Star Wars" film. She was 19 years old, while Ford was 33, married, and a father of two.
Fisher said that she informed the actor that she was going to reveal their affair in her memoir, "The Princess Diarist," which was published this year. She had some regrets about going public.
"He's incredibly private," Fisher told People. "I feel really bad about doing that to him. But yes, I told him I found the journals and I was going to publish them, and he sort of went, 'Lawyer!'"
Ford and Fisher also created on-screen sparks. Their characters in the "Star Wars" films, Han Solo and Princess Leia, have a combative relationship that ultimately results in a passionate romance. Both actors reprised their roles in last winter's "Star Wars: The Force Awakens."
She was a member of a prominent show business family: Her mother, Debbie Reynolds, was the star of "Singin' in the Rain," and her father, Eddie Fisher, was a popular recording star. In addition to "Star Wars," Fisher wrote the best-selling novel "Postcards From the Edge" and appeared in "Soapdish" and "When Harry Met Sally..."
See how other stars reacted to her death:
Stars react to Carrie Fisher's death
Stars react to Carrie Fisher's death
no words #Devastated https://t.co/R9Xo7IBKmh
I'm deeply saddened at the news of Carrie's passing. She was a dear friend, whom I greatly respected and admired. The force is dark today!
I thought I had got what I wanted under the tree. I didn't. In spite of so many thoughts and prayers from so many. I am very, very sad.
I'm deeply saddened to learn of the death of Carrie Fisher. I will miss our banterings. A wonderful talent & light has been extinguished.
Fuck this year. Fuck this whole sick, worthless cruel prank of a year. #RIPCarrieFisher
Hail Hail! A genius has vacated this realm-RIP Carrie Fisher.
No. No. Fuck this shit. Carrie Fisher is a fucking legend and this is bullshit.
Love you @carrieffisher https://t.co/RS57icVPdT
Carrie Fisher didn't make it. I am so terribly sorry, and send my sincere condolences to her family, friends and fans all around the world.
May the force be with the incredibly talented Carrie Fisher. She will be missed. #RIP https://t.co/N9ZSQhKEOM
Carrie Fisher "Ugh,will everybody stop all of this?"
Us "no, let us gush, you just have to take it"
Carrie Fisher was smart, funny, talented, surprising, and always a hell of a fun time to be around. Family Guy will miss her immensely.
Carrie Fisher has passed, she was funnier&smarter than anyone had the right to be. Sail On Silver Girl. Condolences Debbie & Billie
We just lost a great ally for mental health and addiction. Be strong, be as strong as she'd want you to be. Rest in… https://t.co/kLdvwNyjsS
Carrie Fisher. Cannot believe that you're 'gone'. Funny funny and then some. 💔💔XXX https://t.co/DV6GQC1lcx
Numb. Unbelievable that such a bright funny loving spark could be extinguished. @carrieffisher you will be missed. I wish you peace.
Carrie Fisher. RIP. What a talent. What a year. https://t.co/yEFfv2GN6K
She was the brightest, funniest, bravest, kindest, cleverest and sweetest person I ever knew. A crushing blow to lose @carrieffisher
I'm sitting in stunned silence learning of the death of #CarrieFisher. In what has been a particularly sad year this may be the hardest. RIP
What a woman #CarrieFisher https://t.co/lt4w6AFwp0
I can't believe Carrie Fisher's gone. Heart goes out to her family. Terrible. Fuck 2016.
But she's our princess.
RIP Carrie Fisher https://t.co/gbcZM1zvHO
Carrie Fisher did more to combat mental health stigma by being open about her struggles with bipolar and addiction than did most politicians
So so sad to hear about the death of Carrie Fisher. 2016 has taught us one hell of a lesson.. don't take anyone for granted! Hurry up 2017!!
Carrie Fisher was the perfect reminder of what cool things can happen when you allow mental illness to inspire instead of repress.
I have no words. RIP Carrie Fisher.
Carrie Fisher you were a force throughout your life. And went away too soon dammit. RIP. And 2016 you suck.
Such a sad day for her family, friends and millions of fans. Carrie Fisher is deeply missed.
Incredibly sad to hear that we lost Carrie Fisher. She shared her life's triumphs and struggles with the world. I think that is heroic.
Carrie Fisher was one of the coolest women I had the pleasure of meeting.
Too many good people dying way too young.
I love Princess Leia...I love Carrie Fisher's humor, wit & honesty even more. #RIP
May the Force be with you always, Princess Leia. Rest in Peace, Carrie Fisher. https://t.co/KJpkp5RYMU
"There is no room for demons, when you're already self-possessed." -Carrie Fisher
Sweet, Brilliant, Irreverent, Huge hearted Carrie, You gave me advice I live by to this day, & always will. On the wings of angels fly...❤️
Well, 2016. Aren't you just a swift kick in the nuts. Carrie Fisher was a legend and a role model on how to speak your mind. What a loss.
#CarrieFisher was so witty and provocative and unrelentingly interesting. Goddamn, I loved her. Everyone did.
2016 is killing me. So sad in one week losing two greats. First George Michael now Carrie fisher. So sad. I just can't 😭😭😭! Rip both of you
From the same @WebMD Q&A w/ Carrie Fisher, a funny & gifted writer...on fixing bad scripts. https://t.co/TyLBiEiczE https://t.co/70J9CPtbJw
R.I.P. Carrie Fisher. A brilliantly funny, talented woman. We will miss your humor now more than ever.
RIP Carrie Fisher.
R.I.P. Carrie Fisher. Seeing her again on talk shows was such a thrill. So hilarious & fearless when she was being herself.
RIP Carrie Fisher. May the Force always be with you, Princess Leia.
Carrie Fisher dedicated her platform to mental health awareness & female empowerment. She is a reason + reminder to keep up your fight. RIP
Before Carrie Fisher, "Princess" was a condescension. She made it stand for strength, class, brains, wit & fire. RIP everyone's 1st crush.
No words. We love you @carrieffisher forever our Princess. May God bless you as richly as you blessed us… https://t.co/5EmQkvaxtp
I met Carrie Fisher at a premiere once. She was kind and gracious, had her daughter with her.
Carrie was my friend. It took me three series but I got her in the end. She was the most generous, fun, gifted, smart, kind, funny funny funny person I've ever met. She certainly wasn't ready to go. I'm so glad we became pals. I'm so devastated at her loss. I want to write about her more but I can't process yet.
Not Carrie Fisher. Just. Not. Carrie Fisher.
NOOOOOOOOOO!!!!! Not Carrie Fisher!!!!!! Damn!!!!!!! 💔😪😪🙏🏼for her family & friends (oh Ms Debbie Reynolds so sorry) #RIPCarrieFisher
Thoughts & prayers for #CarrieFisher 's friends & family. We've lost another icon. Hoping 2017 will be a better year for everyone.
Saddest tweets to tweet. Mommy is gone. I love you @carrieffisher