Katy Perry has been snapped sporting some very unusual looking designs on her fingers. The I Kissed A Girl singer wore Oompa Loompas on her nails for her Willy Wonka-themed 25th birthday party last weekend. ‘Getting ready for my Willy Wonka extravaganza she posted on Twitter. ‘Thanks for my custom Oompa nails!' Katy threw a bash at The Beach On Sunset restaurant in West Hollywood.

The venue was turned into a replica of Willy Wonka's Chocolate Factory and guests included Taylor Swift, P Diddy and Katy's new man Russell Brand. ‘THAT was MAGIC! I'm SO happy Katy posted after the event. ‘I am just giggling at random... I think this is how it will be for a while...' Katy's nails were done by Minx Nails, who kicked off the trend in New York