Former reality TV star Jack Osbourne is being sued by a furious bank that claims he defaulted on a $250,000 loan, according to a new lawsuit. Comerica Bank is going after the son of the late rock legend Ozzy Osbourne and “Osbourne Media LLC” in a new lawsuit filed Friday and obtained by The California Post. The Osbournes- Ozzy, Kelly, Jack, and Sharon ASSOCIATED PRESS The $250,000 loan was taken out in February 2021, and Osbourne’s signature is on the contract with the title “sole member and owner” of Osbourne Media LLC, according to the lawsuit. Osbourne allegedly defaulted on the loan in January 2026, triggering a clause that hiked the interest rate by 3% and made the full balance immediately due, according to the filing. As of April 29th, the total amount due is almost $253,000 and the interest continues to accrue at $81.60 a day. Jack is accused of defaulting on a $250,000 loan.…