It's week three of Celebrity Operation Transformation as we check in on the five celebrity leaders to see how they're getting on with their new healthy lifestyles. Looking to get into shape are X Factor singer Mary Byrne, beauty expert Triona McCarthy, chef Gary O'Hanlon, social media influencer James Patrice and singer and (former contestant on The Voice) Kayleigh Cullinan. Tonight the five celebrity leaders find themselves surrounded by temptations as they take part in a week of album launches, partying and jet-setting.