Britney Spears 'Suffering Pre-Tour Panic Attacks'

Britney Spears is suffering from anxiety ahead of the start of her world tour, it's been reported.

The singer is experienced a number of panic attacks during rehearsals for the tour, which gets underway next month.

Her concerned father, Jamie, is said to have called doctors over the singer's “terrible attacks of nerves”.

A source told the Sun newspaper: "Britney is in danger of not going on tour. She's been telling her doctor she's under pressure. She fears her performance will be branded a flop.”

Spears is planning to be take her two children, Jayden James and Sean Preston, on tour with her.

As previously reported, Spears' tour will include an eight night residency at London's O2 Arena.

(by Jason Gregory)

 Nicki Minaj To Join Britney Spears On Tour (13.04.2011)

 Britney Spears Remix Of Rihanna's 'S&M' Released (11.04.2011)

 Britney Spears Tour Still On, Publicist Says (07.04.2011)

 Britney Spears Denies Wiz Khalifa, Radiohead US Number One Album (06.04.2011)

 Britney Spears Songwriter Slams New Album Critics (06.04.2011)

 Britney Spears 'Till The World Ends' Video Debuts Online (06.04.2011)

 Britney Spears Says New Album Songs All 'F*cking Amazing' (10.03.2011)

 Britney Spears Collaborates With Blink-182's Travis Barker On 'Femme Fatale' (03.03.2011)

 Britney Spears Reveals Tracklisting For 'Femme Fatale' (02.03.2011)

 Will.i.am Unveils New Britney Spears Song 'The Big Fat Bass' (28.02.2011)

 Nicki Minaj To Collaborate With Britney Spears? (18.02.2011)