Once Upon A Time In Hollywood is looking likely to give Quentin Tarantino his biggest ever opening weekend at the US box office, thanks to the combined daddy energy of Leonardo DiCaprio and Brad Pitt.

Per reports in trade publication Variety, the film took in $16.8 million on Friday, which is an opening-day record for the auteur director. Current estimates for the remainder of the weekend put the total earnings in the region of $40.2 million.

His previous record was for Inglourious Basterds, which made $38 million back in 2009. Initial estimates had Hollywood opening to around $30 million, but clearly this did not take into account the public’s thirst for DiCaprio and Pitt.

Both actors have worked with the director before – the former in Django Unchained and the latter in Basterds – but clearly getting them together was a stroke of genius.

Once Upon A Time In Hollywood tells the story of actor Rick Dalton (DiCaprio) and his stunt double and friend Cliff Booth (Pitt), in the changing landscape of Hollywood in the 1960s.

Margot Robbie also stars as Sharon Tate, the up-and-coming young actress who fell victim to Charles Manson‘s gang of killers in 1969.

The film opens in Australia on August 15, but Tarantino fans can catch it twelve days early when it screens in 35mm at the Melbourne International Film Festival.