Joaquin Phoenix and Rooney Mara looked all loved up in Los Angeles ... high-waisted briefs underneath –– held her hand to her ...

Rooney Mara attended the premiere of fiancé Joaquin ... The “Her” actor took a few moments to pose with the “Poker Face” ...

The 26-year-old’s life is set to change dramatically. The daughter of New York Giants football scout Timothy Christopher Mara, Rooney began acting at 20 and appeared in the fairly forgettable ...