No, Katniss is the official Mockingjay, Rue inspired the revolution, but Prim started it. If Prim hadn't gotten picked Katniss wouldn't have volunteered then she wouldnt have met Rue who sparked the Mockingjay.
Opposites attract."I like to pair bodysuits that are tight like this with loose pants, because it takes the look from being a little too risqué to classy and edgy. I like to have at least one item that's fitted and the other a little looser — I like that contrast. A little sexy mixed with a little sporty." #refinery29 http://www.refinery29.com/2016/08/119075/isabelle-fuhrman-simple-style#slide-5