The article states this happened in South Beach (Florida?):

"A viral video of prepubescent children being paraded across a stage at a drag queen show in South Beach at midnight was making the rounds Monday."

eta - also from the article:

"The date of this drag queen event is unclear, however there are weekly drag queen shows debuting Sunday nights at The Palace."

According to the article, it might be this place:
[link to palacesouthbeach.com (secure)]