The 24-year-old 'Force Awakens' star called Fisher's death a 'monumental loss.'
The actresses co-starred on an episode of '30 Rock' in 2007.
The cast took to social media to extend their sincerest condolences to Lourd just hours after her mother died.
The iconic actress' half-siblings are mourning her passing.
The '30 Rock' creator said she felt 'so lucky that I got to meet her' in a statement following Fisher's death on Tuesday.
The actress is receiving an outpouring of love following her mother's death on Tuesday.
The actor released a touching statement celebrating his 'fiercely independent & ferociously funny' friend and co-star.
Fisher had plenty of advice for Ridley when she joined the 'galaxy far, far away' as the newest heroine in 'Star Wars: The Force Awakens' last year.
The iconic actress openly discussed her personal struggles with bipolar disorder to ET over the years.
The 'Star Wars' star died on Tuesday after going into cardiac arrest on a flight last week.
ET remembers the beloved 'Star Wars' actress.
Though she's best known for her role as Princess Leia in the 'Star Wars' films, Fisher was also a funny, successful writer with a very quick wit.
ET looks back on the life of the late actress who died on Tuesday.
The 'Star Wars' actor remembers his late co-star.
