Keeping up with Shanna Moakler’s shade. Travis Barker’s ex appeared to take a swipe at the Blink-182 rocker’s new wife, Kourtney Kardashian, in a since-deleted TikTok comment Thursday. Before Moakler erased the diss, eagle-eyed fans noticed the former pageant queen reacting to footage of her three kids — daughter Atiana, 27, son Landon, 22, and daughter Alabama, 20 — at the “Travis Barker: Louder Than Fear” documentary premiere with their dad and stepmom. “Where are her children?” Moakler, 51, wrote via TikTok, according to a fan screenshot. Kardashian, 47, and ex Scott Disick‘s three children — son Mason, 18, daughter Penelope, 14, and…
