Penny Wong admitted she had been insensitive to Kimberly Kitching in the lead up to her death but rejected claims she and the Mean Girls had bullied the former Labor MP.
Among the mourners at St Patrick s Cathedral will be Labor mean girls Penny Wong, Kristina Keneally and Katy Gallagher, along with Labor leader Anthony Albanese and former leader Bill Shorten.
Health Workers Union secretary Diana Asmar was with Kimberley Kitching during the last 48 hours of her life and held her hand as she died from a suspected heart attack last Thursday.
Opposition leader Anthony Albanese denied he was approached by late senator Kimberley Kitching over bullying allegations by senior fellow ALP senators dubbed the mean girls .