25 years after taking home the Palme d'Ore, Quentin Tarantino is eyeing his return to the Croisette. No official announcement has been made, but THR reports that the filmmaker will debut his ninth film, Once Upon a Time in... Hollywood at the festival, and according to the report, it could premiere on May 21 -- the exact anniversary of Pulp Fiction's premiere. Of course, Tarantino is no stranger to Cannes, having screened a number of his films at the festival both in and out of competition, including Inglourious Basterds, Kill Bill Vol. 2, and Death Proof. Tarantino's latest …