Since Rihanna went bad girl, short-bob/ pixie haircutt has not left fashion. Its just being modified and rocked. Celebrities have been seen ditching their long weaves for short bob hair style/pixie hair cut  and it has never looked better.
It might be risky, but gives you a whole new look.

Rihanna goes on and off with her hairstyles but the bob is still her signature due

Rihanna's recent ELLE magazine spread, the rocks this pixie hair like a pro 

Charlize theron showed up at the 2013 oscars in this short bomb and she looked refreshing

 Genevieve looking radiant with a pixie cut

Katie Cruz

 Victoria Beckham

Nigerian TV personality, Toke Makinwa recently rocked the short bob 

Nigerian blogger, Linda Ikeji ditched her infamous side part for the bob lol, thank God

Ginnifer Godwin

 Rukky sanda has ditched her Gold weaves for a pixie cut

 Emma Watson aka Hermione Granger