Detectives have made a breakthrough in the case of Queensland mother Crystal Beale, charging her former husband with her murder.

Ms Beale, 49, was last seen alive in West End in February. The next morning, her body was discovered in the Brisbane River near the Brisbane Corso.

She had been at a dinner in Sunnybank with her family, police said, and was dropped off by her former partner, Jesse Wahlen Beale , on Ryan Street in West End about 9.30pm.

Police will allege she was murdered that evening around Ryan Street. They believe her body was then taken to the river near Orleigh Park in West End, South Brisbane District Detective Inspector Wayne Francis said on Monday.

At the time, police released footage showing Ms Beale wearing a long, white dress and carrying a brown leather satchel.

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