matt kemp 's rage is seen during an episode of sbs 's heat in the kitchen that was so enraged he unleashed an expletive-ridden tirade on his then-wife lela , who was carrying their first child , while filming at sydney 's restaurant balzac in 2004 .
one of his most shameful moments was broadcast on national television when he labelled his pregnant wife a ` c *** ' .
' looking back , kemp says he regrets treating his ex-wife that way .