Abstract: The present invention relates to a (bio)pharmaceutical composition, particularly a liquid (e.g. aqueous) biopharmaceutical composition, more particularly a liquid biopharmaceutical composition comprising an anti-EGFR/anti-LGR5 bispecific antibody. The present invention also relates inter alia to a method of manufacturing the composition, to a kit including the composition, to a package including the composition, to a method of manufacturing the package, and to methods of treatment using the composition and/or package, especially cancer treatments, for example, for the treatment of colorectal cancer.