Furious parents say the current must-have kids doll appears to be wearing lingerie - which is only revealed when the toy is dipped in water.
The tiny L.O.L Surprise! dolls - which come with accessories, including shoes and different outfits - are a best-seller in Britain - but a secret addition has left many disgusted.
Social media has become rife with reports that soaking some of the figures in cold water reveals adult-style underwear - with one mum claiming the makers are "encouraging the sexualisation of children".
Lorraine Hardy's eight-year-old daughter Isabella has been collecting the dolls - which cost around £10 and are just a few inches tall - for years.
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