12/28/2013 at 10:55 AM EST
kicked off her two-year Las Vegas residency
Friday with hits, phenomenal dancers, top-of-the-line production, and a lot of lip-syncing.
The 21-song show, attended by Katy Perry
and Miley Cyrus
, felt like a raging nightclub, with hard beats and lasers firing all different directions.
"I thought she killed it," Jersey Shore
's Pauly D said after the show.
Britney, herself, seemed to approve, Tweeting
, "Wow… perfect audience for the 1st #PieceOfMe show! That was AMAZING! I <3 you Vegas!!!"
The "Perfume" singer spanned her many hits during the 90-minute show at Planet Hollywood's Axis, covering ground from her … Baby One More Time
album through her current Britney Jean
Spears spoke sporadically, uttering a sentence or two between songs.
During "Freak Show" she asked for a "hottie" to be brought on stage, only to have her backup dancers snatch Mario Lopez
from the crowd. Lopez was forced to crawl on the crowd while Spears pulled him with a leash.
"I didn't expect that," Lopez told Extra