Jessie J in tears

24 February 2011, 07:52 | Updated: 24 February 2011, 07:55

Jessie J is celebrating after proving herself to be a hit around the world.

The Price Tag star has just found out that she's No 1 in New Zealand and tweeted, "Omg I've just been told I'm #1 on new zealand iTunes!! #heartbeats omg omg omg omg!!!!! I'm crying!! Thanl you! :)"

It's proving to be a great month for Jessie. She received her BRITs 'Critic's Choice Award' at the O2, played at a Vivienne Westwood fashion event and will be on the Graham Norton show this week.