Six months on from the death of her ex-fiance Heath Ledger, Williams has been seen on numerous occasions around the director's Manhattan apartment, sparking rumours of a romance.
Actress Michelle Williams and director Spike Jonze make another public appearance together, enjoying an evening out and about in New York City on Tuesday night.
Earlier this year, the low-key couple was snapped spending time together in Brooklyn and L.
The pop world has their Justin Timberlake, TV has Mc Dreamy, and blockbusters have George Clooney.
Though they may act too cool for it, the indie film scene has a pimp Casanova in their midst; Spike Jonze.
But do note that it is not possible to be certain of a person's genealogy without a family's cooperation (and/or DNA testing).