Enter for your chance to win a trip for two to Britain which includes:

• Two round-trip Economy tickets to London on award-winning Virgin Atlantic Airways

• A guided tour of the House of Commons and the House of Lords at the Palace of Westminster, home to Big Ben which celebrates its 150th birthday in 2009.

• Lunch with a Member of Parliament and Princess Diana's Press Secretary at one of the private dining rooms of the House of Commons.

• A guided tour, which includes a visit to the royal parts of Westminster Palace and a tour of the halls, where monarchs and statesmen such as Sir Winston Churchill lay in state.