Who is Lena Situations and how is she conquering the global fashion world?

Lena Mahfouf aka Lena Situations poses on the pink carpet during the opening ceremony of 4th edition of the Cannes International Series Festival in October. Photo: AFP

The stylist and blogger, Chiara Ferragni has become one of the world's most powerful names in fashion in just a few years.

She'd better watch her back though, as Lena Mahfouf – better known under the pseudonym Lena Situations – could be set to steal the show.