The day has come, IT'S FINALLY HERE!!
The Perfume singer is so amped up about her opening night, she's been counting down with her dancers by sharing rehearsal pictures!
— Britney Spears (@britneyspears) December 27, 2013
We can't believe it either!
It seems like it was just yesterday the world found out about your Vegas residency!
You're gonna slay it, Brit-Brit! Break a leg!
P.S. CLICK HERE to "follow" Perez on Twitter!
P.P.S. CLICK HERE to "like" Perez on Facebook!
[Image via Twitter.]