DynastySeries TVFeaturesUpdatesDolly Castro @Missdollycastro Video for ShredzSeptember 29, 2014 See Next Page: I may never take Shredz but I very much enjoyed their choice in spokeswoman with Dolly Castro. I did stop what I was doing to knock out a set of push ups. Made me feel a little better lol. Filmed and directed by Mike Montoya.