The 26-year-old beauty has spoken openly in the past about enjoying a tipple, but she's now given up on alcohol and is trying to lead a healthier lifestyle on the advice of her mother and father, Karen and Gary Lawrence, reported Female First.
"Jen has been keeping a low profile and staying away from people who could get her into bad habits," a source said.
"She's on a total detox right now, which means no boozing or partying, trying to cut out junk food and get fit too. Before she went to Canada in June [to work on 'Day 6'], her parents sat her down and gave her a talking to.