Rain Phoenix made a rare public appearance when she joined her younger brother, actor Joaquin Phoenix, at the premiere of his new film, Joker: Folie à Deux at the Venice Film Festival on Wednesday.

Joaquin Phoenix is ... year after they started dating. Phoenix and Mara later got engaged in 2019, and they welcomed a son named River — after Phoenix's late brother — in August of the ...

"I can act as a big brother or dad. But I’m quite a friend of Joaquin’s. ‘Gladiator’ was a baptism of fire for both of us in the beginning." His comments come after Phoenix recently ...