But now it's straight up cancelled!
Ticket holders were sent the following email on Friday:
[Image via Fayesvision/WENN.]
Did she forget to take her medication???
Was it a practical joke???? April Fool's isn't until NEXT week!
Tired of lipsynching, Britney Spears blurted something out - again! - during her concert in Washington, D.C. on Tuesday night.
Watch what she says (above) around the 48 second mark.
We've watched it over and over again.
Bless her heart!