Scarlett Johansson is engaged to French creative agency manager Romain Dauriac, her boyfriend of nine months, it was revealed last night.

“They’re engaged and very happy,” a source told People.

A rep for the actress had no comment.

According to reports, the proposal occurred about a month ago.

Johansson made a glamorous appearance this week at the Venice International Film Festival, showing off a large diamond engagement ring on her left hand, said to be a vintage Art Deco piece.

Johansson, who was married to Ryan Reynolds for two years, until 2011, is believed to have met Duariac, the former editor of urban art magazine Clark, through French tattoo artist Fuzi.