Rebecca Darnell, 30, was still wearing her bridesmaid’s dress when she was found dead at her home in Addlestone, Surrey after the ceremony.
She had a row with her partner of four years, Carlo Salamone, in a taxi on the way home from the party.
Mr Salamone told the inquest he had been planning to ask Ms Darnell to marry her this summer.
Mr Salamone slept on the sofa when they got home and later went upstairs to find her dead, the inquest heard. She was still wearing her bridesmaid’s dress and jewellery from the night before.
Her family members told of their shock, having seen Ms Darnell enjoying herself only hours earlier at the wedding in Sunbury-on-Thames, Surrey.
Toxicology tests taken after her death showed she was double the drink driving limit, with 162mg of alcohol per 100ml of blood.