Chloe Fineman appeared as Siwa at the Weekend Update desk dressed in head-to-toe black ... "Wow, oh my god, JoJo!" said Weekend Update co-anchor Colin Jost upon seeing the singer's new look ...

JoJo Siwa is sharing more about coming out as a member of the LGBTQ community. The online superstar, 17, who came out in January, discussed her sexuality in an interview with People magazine.