Hundreds of dogs and their owners came to the Mandeville Lakefront and paraded to the theme ‘Mardi Paws Takes a Road Trip and Visits Destinations Across America,’ during the krewe’s 21st parade. Jamie Lynn Spears, native Louisianian and sister of pop mega-star Britney Spears, was the Celebrity Monarch for this year’s Krewe of Mardi Paws parade,