For the most part, no, celebs are not paid for appearances on the cover or inside pages. People Magazine would go broke if they had to pay. Instead, the PR value of the photos, distributed to thousands or millions, stands as compensation.
What happens after 10k followers on Instagram?
Once you have 10k followers, Instagram will make it easier for you to get people to your website via Stories with the swipe up to link feature. Swipe up is the only way to get a direct link from your Instagram to your other web properties. And, it’s available in STORIES, if you have 10k followers.