Cheerful Madness!!
This floral pattern has companions, using the same colour palette: https://www.spoonflower.com/fabric/5295345-lapis-lazuli-flower-battle-by-cheerful-madness-by-cheerfulmadness_cartoons and https://www.spoonflower.com/fabric/5295388-navy-blue-flower-battle-by-cheerful-madness-by-cheerfulmadness_cartoons