Once Upon a Time in Hollywood to Olivia Newton John in 7 Steps

1. Once Upon a Time in Hollywood was directed by Quentin Tarantino
2. Quentin Tarantino wrote and directed Reservoir Dogs
3. Reservoir Dogs stars Tim Roth
4. Tim Roth is in the cast of Pulp Fiction
5. Pulp Fiction cast includes John Travolta
6. John Travolta is in the cast of Grease
7. Grease cast includes Olivia Newton John

---

---