Tumblr is 'deeply sorry' to Halsey for 19th anniversary snub Social media blogging site Tumblr has apologised to Halsey after they weren't in included in the platform's 19th anniversary celebrations. 3 March 2026 Tumblr has apologised to Halsey for omitting them from the site's 19th anniversary celebrations. Halsey called out Tumblr for the snub The social media platform marked the milestone on Friday (27.02.