Robbie flick tops box office

Margot Robbie. Picture: AP

M *argot Robbie *is officially one of Hollywood's hottest stars after her latest movie Focus topped the US box office at the weekend.

The Aussie actress, above, stars alongside Will Smith in the con-man caper.

According to studio estimates, Focus topped on a weekend with little competition at North American cinemas, bringing in almost $US20 million ($25.7 million).

The movie overwhelmingly appealed to adults, with 88

per cent of its audience older than 25.

Robbie has a number of films in the works, including a live-action version of Tarzan, in which she plays Jane.