Earlier this week the pair were spotted together sharing a kiss while G-Eazy took a break on the set of his new music video.
The Daily Mail is reporting Delevingne and Halsey have been getting closer during the Covid-19 pandemic as the pair both live in California.
Cara Delevingne split from Ashley Benson a few months ago. Photo / Getty Images
A source close to Delevingne told the Daily mail: "Cara has been hooking up with Halsey in the last few weeks and they've been having a laugh together.