Hollywood superstar Scarlett Johansson quietly tied the knot with her fiance Romain Dauriac, in October, US media reported Monday.

Johansson -- best known for her roles in "Lost in Translation", "The Avengers" and a string of Woody Allen films -- married Dauriac, a French journalist, in Montana on October 1, People magazine reported.

The couple have a daughter, Rose.

Johansson, considered one of Hollywood's modern sex symbols, also starred in "Girl with a Pearl Earring" and Luc Besson thriller "Lucy."