Despite being global musical icons, Sting and Rod Stewart remain young at heart, which led to the creation of a prank war still raging to this day

Sean Stewart, son of legendary rocker Sir Rod Stewart, has reportedly entered rehab once again to address his ongoing struggles with addiction. The 44-year-old has checked into Cliffside Malibu, an exclusive $80,000-a-month (£63k) rehabilitation facility, following an intervention from his concerned family, according to the Daily Mail.