Tammy, who often shares workout tips, revealed her three favourite 'booty' exercises in December.
She told that she swears by cable kickbacks, hip thrusts and glute pull-throughs.
'I used to work out a lot more before having my kids but currently, I work out three to four times a week,' she explained.
The model-turned-entrepreneur added that she likes to indulge in cheat meals on weekends as a treat for herself.
Tammy has repeatedly denied undergoing a Brazilian butt lift, and insists that her physique is down to genetics and hard work.
She told recently: 'I have always had people say that. They just don't know that you can achieve that with working out.
'Obviously it is genetics and you can't change your features but you can build muscle and shape and tone and all of that. I get tired of being accused of that.' (Thu 5)
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