Rooney Mara Is Reportedly Engaged to Joaquin Phoenix, and Her Diamond Ring Is SO Unique

Rooney Mara and Joaquin Phoenix may be walking down the aisle sooner than you think. The couple was spotted shopping in Los Angeles and Rooney was rocking a sparkly new accessory that set rumors ablaze. While running errands, Rooney wore an oversize black t-shirt, jeans, and a plaid shirt tied around her waist. The actress also had a huge diamond on that finger of her left hand. Her rumored engagement ring came in a unique art-deco shape, which seemed to match the couple's eccentric style pretty perfectly.

The couple has been their relationship pretty low-key since being linked together while filming Mary Magdalene in late 2016. Since then, the duo has made their relationship public by making their red carpet debut together at the 2017 Cannes Film Festival. When the 42-year-old star took home the award for best actor for his role in You Were Never Really Here, Joaquin called Rooney, 32, his "girlfriend" in his speech, and they shared an adorable hug. Read on to get a closer look at her alleged engagement ring ahead.