Doja Cat (Jacob Webster/NBC Universal)To promote her new album, Vie, Doja Cat will be taking on a side job. The “Jealous Type” singer will cohost The Tonight Show Starring Jimmy Fallon on Oct. 1. As cohost, Doja Cat will welcome musical guest Blood Orange, with more guests being announced at a later date. Doja will be the musical guest on Saturday Night Live on Oct. 11. “The tree represents life and wisdom.