Three days of “madness” are returning to Glendale this summer, and this time with The Osbournes.

The celebrity family, of parents Ozzy and Sharon plus kids Jack and Kelly, are among those scheduled to appear the Mad Monster Party, which goes June 12-14 at the Renaissance Phoenix Glendale Hotel, 9495 W. Entertainment Blvd., at Westgate.

The event features celebrity guests, Q&A panels, professional photo-ops, and shopping with merchants of macabre from all over the country. Guests can also sing their favorite songs at Scaraoke (scary karaoke) and enter into costume contests for cash prizes.

Friday hours that weekend go from 6 to 11 p.m.; 11 a.m. to 7 p.m. Saturday; and 11 a.m. to 5 p.m. Sunday.

General admission is $35 on Friday and Sunday, and $45 on Saturday. Three-day passes are available for $80. Prices increase at the door on the day of. Kids 12 and under are free when accompanied by an adult.

Email Party@MadMonster.com for information or visit https://madmonster.com/az24/.