Denise Van Outen has revealed she “massively fell off the wagon” during lockdown after a whole year of being sober.The 46-year-old actress and singer - who celebrated her birthday in May - gave up alcohol for a year but admitted during self-isolation she had started drinking again.Van Outen told the MailOnline: “I did have a three-week period in lockdown where everything went out the window.“I spent a year sober.