IN the latest royal scandal, Britain’s PRINCE CHARLES has told his son HARRY to cool it with his sexy blonde girlfriend after her stepfather allegedly committed suicide, according to friends.

Only months ago, “wild child” Harry, 29, appeared ready to settle down with society beauty Cressida Bonas, 24.

“Harry had a meltdown after his father told him to ‘back off’ from Cress because of her family problems,” a royal source told The ENQUIRER.

“Charles has been thrilled that the Royal family’s credibility was restored after Prince William married Kate Middleton and (their son) Prince George was born.

“Charles doesn’t want Cress’ family problems to cost them all that good will.”

Redhaired royal rebel Harry – infamous for nude partying in Las Vegas and boozy nights out – spent December trekking to the South Pole to raise money for injured veterans.

He’s been dating Cressida for 20 months, and days after they were reunited in London following his Antarctic expedition, her stepfather – former investment banker Christopher Shaw – was found dead of a suspected drug overdose at his home.

Shaw, 76, was the fourth husband of Cressida’s mother and reportedly had financial problems.

Meanwhile, Harry – who recently switched from being an Apache helicopter pilot in the British Army Air Corps to a staff officer position in London – has said that finding a girl “prepared to take me on” is tough, and sources say this scandal will only make things worse.

“Harry told his dad he loves Cressida, but Charles isn’t sure she’s royal material,” said the source.

“Harry is under huge pressure to dump her, and friends say he’s ‘broken in two’ at being torn between his family and his lover.”