Whoops: Randy Jackson’s Big Ol’ Booty Makes an Appearance in Hollywood [Photos]

Randy Jackson might want to invest in a good belt.

The 60-year-old former ‘American Idol’ panelist accidentally mooned unsuspecting bystanders as he arrived at Siren studios in Hollywood on Thursday.

No underwear, Randy?

Yeah…it’s gonna be a ‘no’ from us, dawg.