06/11/2012 05:55 pm ET Updated Aug 11, 2012

Denise Richards, Richie Sambora Break Up: REPORT

Denise Richards and Richie Sambora have split, Celebuzz has exclusively learned.

The pair decided to end their rekindled romance after an ill-fated trip to Nashville last week, where the Bon Jovi rocker, 52, was scheduled -- but failed -- to present on stage at the CMT Awards after a monumental blow-up, a source said.

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