There are onesies and there are VIP onesies. If you want to do a onesie VIP style then you need the brand One Piece. Celebrities that have rocked a One Piece include One Direction:
Jade and Perrie from Little Mix
So, let me explain how to get a discount. Visit the One Piece website and enter the code 31LIVELIKEAVIP2 at checkout. However, be quick as the code is valid until 2 January 2014.