The singer has beaten loads of other hopefuls to win the famous 'Rear of the Year 2003' competition.
Ronan Keating got the male award.
'Mum is proud'
Natasha, 20, said she didn't think the other Kitten girls would be jealous as they had nice bottoms too.
Natasha added that she was pleased cos she only had her baby boy, Josh, eight months ago, and she looks fab already.
"I do a lot of dancing," she explained.