We've read - and written - enough stories about Victoria Beckham to know that readers online can be particularly harsh when commenting on another person's weight.
Typical comments included 'this woman needs a cheeseburger' and 'am not a fan of the skeleton look'.
However, what was refreshing was the number of Redditors sticking up for Luba, saying that these pictures inspired some of them to take up yoga, others described her as 'beautiful and not because she's naked' and one said: "I wish I had the physical strength to do half of that."
Take a look at the pictures which are hosted on Imgur:
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