In fact, Ronan seemed to exhibit some wishful thinking in a new Instagram post where he named another troubled icon as one of his parents!
On Thursday, the journalist re-grammed a throwback post of his mom Mia Farrow and Frank Sinatra, calling them his "parents" in the caption:
"When your parents have cooler #TBTs than you. @realmiafarrow"
In case you didn't know, the Rosemary's Baby star was married to Sinatra from 1966 - 1968. Later, Mia was married to Allen from 1979-1992 — during which time Ronan was born. Due to his dead ringer looks, many have wondered about Ronan's true lineage.
But could this caption hint that his real daddy IS Ol' Blue Eyes after all?
Maybe not, as the activist changed the caption after commenters questioned his wording: