Successful mood repair (i.e., attenuating sad, dysphoric affect) is a critical form of emotion regulation that is necessary for healthy functioning. Laboratory-based studies have examined how well individuals can reduce sadness and how this process is affected by psychopathology like depression and cognitive mechanisms like attentional control. However, the extent to which laboratory-based findings inform about the regulation of sadness in daily life is unknown. To examine the ecological validity of laboratory-based mood repair paradigms, we compared mood repair success in the laboratory and daily life (assessed via ecological momentary assessment) among young adults remitted from depression (