Commonwealth Service At Westminster AbbeyG to the L-O-W. (Getty)

Now that she’s had to give up her (secret! scandalous! so subtle you can’t even tell!) addiction to St Tropez spray tan, the Duchess of Cambridge could be excused for looking a little wan as she enters the eighth month of her pregnancy. (Actually, she and her skin can do whatever they want but you know, inquiring minds). But when
she stepped out for Commonwealth Day yesterday, royal watchers all commented that Kate was looking particularly glowy…and apparently, the secret  to her stellar complexion is available to mere mortals as well.