It looks like Rooney Mara‘s rumored romance with co-star Joaquin Phoenix may be heating up!
The duo was spotted hanging out in a car together on Saturday afternoon (April 22) in Los Feliz, Calif.
Later that night, Rooney got all dolled up to attend the Humane Society of the United States’ 2017 To The Rescue! Los Angeles Benefit held at Paramount Studios in Hollywood, California.
Also in attendance were Jaime King, Pharrell Williams, Rachel Platten, Bellamy Young, Diane Keaton, Harley Quinn Smith, Jane Lynch, Laura Vandervoort, Melanie Griffith, and Sebastian Roche.
FYI: Laura is wearing a Rhea Costa dress. Rachel is wearing Schutz shoes. More Here! »