A MAN has pleaded guilty to murdering his girlfriend, Jennifer Hart.

David Gilligan (21) dramatically changed his plea to guilty at Liverpool Crown Court today.

He had been due to stand trial after earlier denying the charge.

Gilligan admitted murdering Jennifer at their terraced home in Berrys Lane, Parr last November.

Jennifer (20) was a St Helens town centre-based customer service advisor and former Haydock High pupil.

Gilligan has been remanded in custody until Thursday, May 24 when he will be sentenced.