OK, so we all know she's Kylie's little sis and a judge on the X Factor...

...but what we need to know about Dannii Minogue is whether she suits her lovely brown hair worn long or short the best?!

Take a look and let us know:

Dannii with long hair last year

Dannii with short hair recently

So, Dannii's beauty battle - does she suit her hair long or short the best?

Let us know your opinion below!

Also, can anyone inform us why she spells her name with two n's and two i's?!

- Click here to see more celebrity beauty battles! -