The aim of the present study was to investigate mixed feelings and emotion regulation in a population of various Body Mass Indexes (underweight, healthy-weight, overweight and obese). Compared to the healthy-weight controls, we expected obese participants to report more mixed feelings and to have lower emotion regulation performances. We also wanted to explore the underweight and overweight groups. Participants rated positive, negative and mixed film clips on amusement and repulsion. Half of them were instructed to watch the film clips (watch condition), while the others were asked to reinterpret the content of the film clips (regulate condition). As expected, obese individuals reported more mixed feelings. However, they did not present worse emotion regulation performances. Besides, our results did not highlight any difference for the underweight nor for the overweight group, compared to the controls...