Cole, Barlow to perform together at Buckingham Palace?

London: Cheryl Cole and Gary Barlow are expected to team up for first time for the Diamond Jubilee concert at Buckingham Palace Monday. "No-one is supposed to know she is on the bill so exactly what she is doing and singing is top secret," said a source. It is also is being said that the two singers will perform on Lady Antebellum`s `Need You Now` and many other songs. The organisers are very excited and say you`ll have to wait and see the glamour of the event. Cole and Barlow were to perform together in Need Rocks concert in Manchester last November but it was cancelled because Cherly felt ill. Sir Elton John, Stevie Wonder, Kylie Minogue, Sir PaulMccartney, Jessie J, Robbie Williams and Ed Sheeran are alos lined up to perform at the event. IANS