Helen Mirren at last reveals her secret behind her surprisingly toned midriff tummy. Mirren declares that it is by sucking her tummy in. she is 65 years old actrees today and still her tummy’s very well toned. She said to the UK’s Woman And Home magazine that “holding your tummy in is another trick for making you look and feel good. I don’t know why, but I do, by nature, hold my tummy in. I used only to be able to get them in stripper shops, but now you can buy them everywhere — although, unfortunately, that means everyone else has discovered the trick too.”