The former Big Brother presenter is well known for her fitness DVDs and love of staying healthy, and now she'll be helping This Morning readers overhaul their food and exercise regimes ahead of summer.
Davina will join hosts Phillip Schofield and Amanda Holden on the ITV show as guest editor on Monday, 27 April, offering tips of the most effective exercises and low-calorie recipes to help viewers get ready for summer.
She said: "I absolutely love This Morning and to be able to spend an entire morning with Phillip and Amanda is going to be such a laugh. I hope to be able to bring lots of hints and tips on how to lead a happy, healthy life - brace yourself This Morning!"
Th show's editor Pete Ogden said, "We have fully embraced the launch of Spring here at This Morning and viewers will be provided with invaluable inspiration, tools and advice across the next few months to achieve a more positive, new and healthy outlook ahead of summer.
"We are thrilled to have Davina here during this time too and I'm sure she will make a great guest editor - although not too great I hope!"
It's just the latest item in This Morning's health and wellbeing calendar.
Already, we've seen the 'Run For Your Life' campaign launched by Nell McAndrew and trainer Julie Creffield, which encourages viewers to get involved in sports.
Next month, the 'Right Diet For You' campaign will kick off, advising viewers on how to achieve a leaner beach body. Different diets will be put the test against each other to see which is the most effective.
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