Victoria Beckham's workout regime look? The former Spice Girl shared a glimpse at her intense exercise routine on Friday, and fans were seriously impressed – including her biggest champion, husband David Beckham!SPORTY SPICE: Victoria Beckham's extreme diet and fitness secrets unveiledThe mother-of-four – who raises children Brooklyn, 22, Romeo, 19, Cruz, 16, and 10-year-old Harper with David – shared a series of photographs from her home gym, revealing her "relentless" regime, expertly crafted by her personal trainer Bobby Rich.