Hef to Fiancee

We Don't Need No Damn Prenup!

4/2/2011 8:30 AM PDT BY TMZ STAFF
He's 84 and worth $43 million ... she's 24 and knows he's worth $43 million -- yet sources close to Hugh Hefner and Crystal Harris tell TMZ neither has uttered those dreaded words ... "prenuptial agreement."

Hef's third wedding is just 10 weeks away, but we're told he hasn't raised a prenup convo because he "actually cares" about Crystal and doesn't want to ask her to sign one.

We're told Crystal doesn't think Hef will bring it up before they tie the knot.

What could go wrong?