As a source told the publication, 'The money seems astronomical, but it is a fair price for a woman who has a proven track record of selling out shows here. While 2018 proved to be a massively successful year for Spears, whose Piece of Me Tour was nominated for a 2018 People's Choice Award, the Daily Mail reports that 2019 could be even bigger: the 'Womanizer' singer is reportedly set to become the highest-paid performer in Las Vegas, earning an alleged $507,000 per show during her upcoming residency. On Thursday evening, Spears is indeed expected to make the official announcement during a GLAAD Spirit Day event at the T-Mobile Arena in Las Vegas. In honor of her efforts as a longtime advocate for the LGBTQ community, the 'Toxic' hitmaker recently received the Vangaurd Award at the 2018 GLAAD Media Awards. 18, 2018, during her appearance on The Ellen DeGeneres Show just last week. At the time, the pop princess jokingly added, 'My announcement is actually that I have an announcement.' The dates for her new residency are: February 13 14 16 17. However, she previously revealed that she would be making a 'huge announcement' on Thursday, Oct. It’s going to be so much fun being back on stage and I can’t wait to perform at Park Theater. At the time of this writing, Spears and her reps have yet to publicly comment on the reported news.