Just days after Charlize Theronsigned on to star in Sean Penn's directorial effort "The Last Face" comes talk that the couple of four months might be preparing for an even bigger commitment. Seems the rumor mill is a-chugging with engagement chatter.
An insider tells People that the couple's friends "wouldn't be surprised" by a proposal.
Life & Style recently claimed that the twice-divorced, tangelo-hued actor couldn't wait to get hitched.
"Sean's fallen hopelessly in love with Charlize," gushed a pal. "He's telling friends that he wants to marry Charlize by year's end!"
But the People source cautions, "She's not engaged -- yet."
In other words, don't be surprised if the never-married Theron, 38, turns up with a doorknob-size diamond on her finger sometime soon.
The "Last Face" shoot is expected to kick off in Africa this summer, and it will allow the twosome to keep up their joined-at-the-hip behavior, which began with a New Year's trip to Hawaii.
Since then, Charlize and Sean have stepped out for charity galas, gone grocery shopping with her 2-year-old son, Jackson, engaged in oceanside PDA and enjoyed a luxurious Valentine's Day getaway to Cabo.