The Only Way is Essex star said that he will begin a new diet regime from January.
"My New Year's resolution is the same as it is every year - to lose as much weight as possible," he told New.
"I'm going to enjoy myself over Christmas, no point in saying no to all that lovely food. I'll just cut out bad habits on New Year.
"I need to look at by BMI in more detail and see what is achievable. All I know is that I'd like these trousers to not be as tight as they are now!"
Argent added that he currently has no plans to propose to girlfriend Lydia Bright in the near future.
He said: "Not yet, no rush for that. Lydia's only 20 and I've just turned 24."
Argent was involved in a "serious" car accident earlier this month.
He recently hinted at possibly quitting The Only Way is Essex in order to front his own programme.