Yeah that was lil ole me and my amazing info finding skills lol! I thought exactly the same as you, that Rosie and Max would come back for Dup and Caroline's wedding, which I can't wait to see!! ahhhhh!!! It will be really interesting to see how they work as a couple! They are just too cute!  Here's the article WAHfan, ...

OMG I am sooooooooooooooooooooooooooooooooooooooo HAPPY! I knew there would be a series 5, but MANY more?! that has just made me extatic!!! I would LOVE it if Rosie and Max came back but I guess it depends on what Lucy-Jo decides to do. WoooooooooHoooooooo! Bring on Wild At Heart series 5!!!! (and many more!!) haha!