11/07/2013 19:58 BST | Updated 22/05/2015 10:12 BST

Beyonce Prepares To Take On Superbowl Half-Time Show

Beyonce will perform at the Superbowl's half-time show on Sunday and in the lead up to the event, the singer has sent out an "FYI I'm working hard" message through her photo blog today.


Aside from the "sexy referee" shot, Beyonce has shared photos from the rehersals and yes, there's even a close-up of her slightly sweaty brow.

Take a look at how Beyonce has been practising below and see her full photo collection at