A source tells PEOPLE other A-List guests included Pitt’s ex Gwyneth Paltrow, plus Aniston’s ex John Mayer and his ex Katy Perry, who was joined by current boyfriend Orlando Bloom.
Other famous faces included George and Amal Clooney, Reese Witherspoon, Ellen DeGeneres, Kate Hudson, Demi Moore as well according to the source.
After news of Aniston and ex-husband Justin Theroux‘s split in February 2018, a source with knowledge of Pitt and Aniston’s relationship revealed to PEOPLE that Pitt and Aniston — who were married from 2000 to 2005 — had “been over each other for longer than they were ever together.”
WATCH: A-List guests arrive at Jennifer Aniston's 50th Birthday Party
While Aniston and Pitt kept their peace over the years, the source revealed the two weren’t especially close. “They aren’t in regular contact, beyond an occasional text back and forth to wish each other the best when there’s been a new project or big event,” the insider said at the time.
We're yet to see any snaps from Jen's big day, but it's one hell of a way to celebrate your 50th birthday!
WATCH: Jennifer Aniston Says Her Marriages to Brad Pitt and Justin Theroux Were 'Very Successful'