United Kingdom, Aug. 4 -- Natalie Portman's enhanced sense of smell has become one of the most noticeable changes as she prepares to welcome her third child with partner Tanguy Destable.

The actress, 45, discussed her pregnancy in an interview with Elle, describing the physical changes she has experienced while expecting her first child with Tanguy.

Natalie is already the mother of son Aleph, 14, and daughter Amalia, nine, from her previous marriage to Benjamin Millepied.

Her interview comes months after Natalie announced she was expecting again and follows a recent Instagram post in which she shared a photograph of her baby bump.

The Oscar winner, who remains best known for performances in Black Swan, Closer, Jackie, the Thor films a...