Reeves and Grant have been friends for years, according to People magazine. According to the outlet, they have collaborated on several projects.
In February 2020, Grant's friend Jennifer Tilly revealed that the couple had been dating for a long time.
Reeves grew up with a missing father who spent time in prison for drug possession.
Reeves lost his best friend River Phoenix, who died in 1993 at the age of 23 from a drug overdose.
Reeves and ex-girlfriend Jennifer Sime lost their daughter Ava in 1999, who was born dead.