Carrie Underwood's Tabatas training
Carrie Underwood's trainer Erin Oprea has revealed the star's workout secrets.
The 32-year-old singer only gave birth to her son with husband Mike Fisher, Isaiah, in March but looked trim at the CMT Awards earlier this month.
This is thanks to her dedication to fitness, as her trainer Erin Oprea revealed to America's Star magazine.
"We do a lot of boxing, body-weight training and Tabatas - 20 second bursts of exercise followed by ten seconds of rest for four minutes," she explained.
Carrie has also returned to a vegan diet now she has been given the all-clear by her doctor. However, she believes looking fabulous is a "by-product" of feeling great in your own skin.
It isn't just the blonde beauty who looks absolutely sensational after welcoming her son - Jessica Biel is also showing off her trim post-baby figure at the moment. She and husband Justin Timberlake welcomed son Silas in April.
Luckily for Jessica, it's not been a difficult journey to get back to her post-baby body, according to trainer Lacey Stone.
"For someone like Jessica, who has always been fit, it's not hard to bounce back into shape, thanks to muscle memory," she explained.
Jessica too follows particular eating habits, including the Paleo diet which involves completely ditching refined foods. She has spoken about how it helps keep her feeling fit and aids her slim figure.
"Eating Paleo just leans you down and takes that little layer of fat and water weight right off your body," she gushed.
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