Instagram/Shanna Moakler & Kourtney TV Shanna Moakler criticizes Kourtney Kardashian's step-parenting on a podcast, questioning her respect and co-parenting approach with Travis Barker's kids. March 19, 2026 AceShowbiz - Shanna Moakler, ex-wife of Blink-182 drummer Travis Barker, has reignited tension with Kourtney Kardashian by questioning her abilities as a stepmother to the children they share. Moakler made her remarks during an appearance on Brittany Cartwright's podcast, When Reality Hits, aired on Friday.