EXCLUSIVE: Carrie Fisher Bought a Place in London Prior to Her Death

A source tells ET that the actress "had been looking forward to spending more time" in the U.K.

Carrie Fisher spent her final days in London, England, and had plans to spend even more time in the U.K.

A source close to the actress tells ET that Fisher "had just bought a place in London" and was "looking forward" to having "more time there."

WATCH: Harrison Ford Remembers Carrie Fisher as 'Funny and Emotionally Fearless'

The Star Wars actress died on Tuesday at age 60 after going into cardiac arrest while on a flight from London to Los Angeles. She had been in the U.K. filming season three of Amazon's Catastrophe, where she portrays Sharon Horgan's mother-in-law.

"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," Horgan posted to Instagram following news of Fisher's death. "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."

“[Carrie’s] close friends were all hoping she’d pull through,” the source adds, reffering to Fisher's medical emergency on Friday. “They are in shock.”

MORE: Carrie Fisher's Ex-Husband Paul Simon Pays Tribute to Actress -- 'It's Too Soon'

Celebrities and fans alike have been remembering Fisher on social media. Here's a look at some of those heartfelt tributes: