Pataky, 37, confirmed that the couple, who already have a 20-month-old daughter India Rose, will welcome two babies when she gives birth in the early spring.
According to femalefirst.co.uk, the "Fast & Furious" actress revealed the news to Spain's HOLA! magazine, to whom she first announced her pregnancy last year.
Recently, she was seen with her Australian husband at the 71st Golden Globe Awards, marking her first public appearance since confirming her pregnancy.
The couple married after a whirlwind romance in 2010.
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