My guess..Beyonce..that is why she had to rush to endorse Harris
ay-Z has closely guarded his relationship history prior to Beyoncé. He was romantically linked to various women in 2000, including actress Rosario Dawson, R&B singer Blu Cantrell, rapper Charli Baltimore and video vixen Karrin Steffans.
He was also spotted with the late singer Aaliyah, who had been victimized by R. Kelly as a minor, and died in a plane crash in 2001.
The Jay-Z rape accuser claims that a female celebrity watched as he and Combs allegedly raped her. The female star has not yet been named.
Jay-Z attended the VMA’s without a date, whereas Diddy walked the red carpet with his then girlfriend, Jennifer Lopez.
https://www.dailymail.co.uk/tvshowbiz/article-14175949/jay-z-dating-history-beyonce-diddy-allegations.html