THEY shed their inhibitions – and the pounds – as they stepped up on the scales each week in front of the nation.
Now, the 'Operation Transformation' leaders have unveiled their slimmer selves on the catwalk.
After overhauling both their diets and their lifestyles, the five participants in the RTE One show have lost more than 11 stone between them since the start of the year.
Leading the weight-loss table was Gavin Walker, from Tallaght in Dublin, who originally tipped the scales at 18st 4lb and shed an impressive 3st.
Monica Percy, from Ballon, Co Carlow, lost 1st 10lb; Greg Starr, from Aglish, Co Tipperary, lost 2st 11lb; Deirdre Hosford, from Whitechurch, Co Cork, lost 1st 10lb; and Charlotte O'Connell, from Bailieborough, Co Cavan, shed 2st 5.5lb.
This year's series looked at childhood obesity and included the story of Dublin schoolboy Aaron Walsh.
Last December the 12-year-old weighed nearly 21 stone. But, after following a food plan drawn up by Dr Eva and beginning a course of exercise, he has since lost 3.5st.
The show's presenter, Kathryn Thomas, congratulated the leaders on their success.
"Every year the series continues to get bigger and better. 'Operation Transformation' is highlighting the obesity epidemic the country is facing. It's not just a weight loss show, it's so much more than that," she added.
RTE's John Murray paid tribute to the effort of Aaron, who put in "Trojan work" to lose weight.
The show has been a ratings winner for RTE pulling in an average of 530,000 viewers per episode.
The catwalk finale will be screened tonight on RTE One at 8.30pm.