Jennifer was reportedly "very pleased" that Brad accepted an invitation to celebrate her life, which was attended by 'Basically, every single person who Jen loves'.
Despite various reports about whether Pitt and Aniston are still friends, his appearance at her party put the rumours to bed once and for all.
We made a decision to look back at Jen's transformation through the years to mark her 50th birthday.
"Everyone was coming up to Jen and hugging her and screaming Happy Birthday. Many of his close friends were at the party too". "They hugged and chatted for a bit, but Jen was busy making sure all of her other guests had an incredible time".More news: Munro's fireworks help Kiwis beat India to claim T20 series
Jen teamed up with acting gal pals Kate Hudson and Gwyneth Paltrow for some animated snaps as they paid tribute to the "perpetual goddess" and "ray of sunshine". "We love you so much and you make 50 LOOK [fire emoji]".
The actor was photographed wearing a newsboy cap as he entered the Sunset Tower on Saturday evening to mingle with his former leading lady's nearest and dearest.
Although Aniston celebrated on Saturday, her actual birthday is on Monday. "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.More news: GRAMMYs 2019: Dolly Parton's Star-Studded Performance and Tribute
"I don't have time to get her a present".
A source apparently confirmed to People that Aniston's ex-husband was, indeed, in attendance.More news: Ariana Grande wins first Grammy ever - but is a no show
"My marriages, they've been very successful, in personal opinion". Those were never my fantasies.