Berlin [Germany], February 19 (ANI): Hollywood celebrity couple Joaquin Phoenix and Rooney Mara are expecting their second child. Mara attended the premiere of La Cocina at the Berlin Film Festival in Germany, when she cradled her growing baby bump under a long black dress, as per PEOPLE. Mara and Phoenix privately got engaged in 2019 after first meeting in 2012 on the set of the sci-fi drama ‘Her’ and are already parents to son River, who was born in 2020. Their son’s name honors Phoenix’s older brother, who died at age 23 on October 31, 1993, from an overdose. He starred in films including S…