ENTERTAINMENT
03/28/2008 02:45 am ET Updated May 25, 2011

Tim Steel: My Affair With Heather While She Was With Paul McCartney

HEATHER Mills CHEATED on Sir Paul McCartney for SIX months with a secret lover, the News of the World can sensationally reveal today.

Our bombshell exposé of her secret betrayal explodes as the couple prepare for a showdown week in their bitter multi-million-pound divorce battle.

We can reveal that Mucca romped with handsome film editor Tim Steel THE NIGHT BEFORE joining Macca on a romantic Caribbean Valentine's holiday.

The one-legged ex-hooker even brazenly showed her lover Sir Paul's tender texts--before leaping into bed with Tim for marathon sex sessions.

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