But the lure of festive mince pies and scrumptious chocolates seems to have proved too much for The Only Way Is Essex star Gemma Collins.
The 30-year-old, who was snapped in a leopard-print bikini in Australia, confessed she has regained nearly a stone after her diet went AWOL and blamed it on her lover of food.
Piling on the pounds again: TOWIE star Gemma Collins admits she's regained nearly a stone after losing four over the summer
She loves her food: Gemma was seen looking very trim at an event in September after shedding four stoneSpeaking to new! magazine, the TOWIE star said: 'I have just got so fat.
'I’ve whacked on a stone. Everyone is really annoyed with me! All my clothes are tight again. I can’t stop eating!'
Ms Collins, who is 5ft 9in, had made it her quest to be a size 12 by Christmas.
Achievement: Despite just missing her target Ms Collins says she has gone from a size 20 to a size 14
Inflatable: Gemma relaxed on a lilo as she admits she has relaxed her diet
Despite falling short, Gemma has everything to be proud of after shrinking from a size 20 to size 14 thanks to a strict diet of fruit and veg alongside a very tough exercise regime, which saw her sweat it out at a boot camp.
Now she says she's ditched diets for good though.
Given up: The 30-year-old, who confessed to loving food, said she had given up on dieting and was now happy with her size
Relaxing poolside: The reality star had made it her quest to be a size 12 by Christmas
'I’m a real girl and I’m happy with myself as I am. I love food!'
Fitness is off the menu: Gemma being put through her paces at the start of her weightloss battle