Britney Spears plans 'spectacular' 30th party

The Hold It Against Me hitmaker - who has sons Sean Preston, five, and Jayden James, four, with ex-husband Kevin Federline - insists she is not upset about leaving her 20s behind and is excited to see what the next decade in her life will bring her, with a big party to kick things off.

She said: "I think the older you get, the wiser you get. I can't wait.

"I'm really excited and I am definitely going to celebrate and do something spectacular. I'm going to be in South America, so I'll have to do something pretty fun. A carnival of Britney? I don't think I'll be doing that. It'll be something a little bit more low-key.

The blonde star is also excited about the forthcoming US version of X Factor, and is particularly looking forward to seeing music mogul Simon Cowell dish out his withering put-downs.

She told Britain's Glamour magazine: "I'll definitely watch it. I respect Simon's honesty. It's refreshing. But I couldn't be that honest."

Despite turning 30, Britney - who is in a relationship with her former agent, Jason Trawick - continues to be under the conservatorship of her father Jamie Spears, which has been in place since a highly visible public meltdown in 2008, and he is likely to retain control of her affairs for the foreseeable future.

A source said recently: "The conservatorship won't be ending this year because everything is going well.

"Britney is on tour again, which she truly loves. This would be the worst time to make a change, while she is on the road, and is in unfamiliar surroundings."