Cori Magnotta came across FXP Fitness, which uses a weighted Hula-Hoop in a routine that borrows from barre, yoga, and pilates.
For more information :
https://www.facebook.com/cmagnotta
https://www.youtube.com/watch?v=hlkNnXPntx4
https://www.womenshealthmag.com/author/cori-magnotta-as-told-to-sarah-klein
https://patch.com/connecticut/easthampton-ct/cori-magnotta-americas-fit-mrs-appear-connecticut-womens-health-conference
http://www.courant.com/community/hc-ugc-article-americas-fit-mrs-cori-magnotta-to-attend-w-2016-04-05-story.html