United Kingdom, Feb. 19 -- Rooney Mara is expecting her second child with Joaquin Phoenix.

The 38-year-old actress cradled her bonny baby bump at the premiere of La Cocina at the Berlin Film Festival in Germany on Friday (16.02.24) in a loosely draping satin gown.

The 'Girl With the Dragon Tattoo' star and the 'Joker' star, 49 - who secretly got engaged in 2019 - already have son River, who was born in 2020, and is named in memory of Joaquin's beloved late brother, who tragically died of an overdose aged 23 in 1993.

He famously starred in movies such as 'My Own Private Idaho' and 'Stand By Me'.

The couple rarely talk about their private life, however, Rooney previously admitted motherhood made her "more determined than ever" to help c...