They were also physically in each other’s presence on a regular basis, cooking together and spending time together for social media content. @Jordycrayy certainly did his research, because he figured out that Hilary’s husband, Matthew Koma, is not following Hailey on Instagram. Hailey, on the other hand, still follows Matthew anyway.
Source: https://www.distractify.com/p/hilary-duff-hailey-duff-feud