THAT’S WHAT FAMOUS FRIENDS ARE FOR!

The stars appear on a box set marking Warwick's 40 years in showbiz...

DESTINY’S CHILD, Mya, Mya and GLADYS KNIGHT are to duet with DIONNE WARWICK on a 40-song box set to celebrate her 40 years in music.

The Sixties soul legend plans to release the three-volume box-set next September, and also plans to join forces with Faith Evans and Elton John for the duets.

So far, Knight is to record ‘I Never Felt This Way’, [a][/a] will sing with her on ‘Close To You’, while the rest of the acts are still deciding which songs they are to sing on, according to mtv.com.