AceShowbiz -

Britney Spears continues to add more show for her "Femme Fatale" promotional effort. On Friday night, March 25, there was rumor suggesting she will hold a Las Vegas show. Later that day, she confirmed the report on her Twitter, informing that the gig will take place at Rain nightclub in Las Vegas' Palms Casino and Resort.

The show is scheduled for later that evening, and was supposed to be a secret one. "Looks like my little secret isnt a secret anymore. Whos coming to watch me take the stage TONIGHT at @RainLasVegas at @PalmsLasVegas?" she tweeted. "You're all invited. Be there or be square b***h!"

Another Britney new confirmed show is on "Jimmy Kimmel Live!". The Southern Belle is going to visit Jimmy Kimmel to perform two songs; lead single "Hold It Against Me" and its follow-up "Till the World Ends", for a March 29 episode.

Britney Spears will also tape a special "Good Morning America" performance on March 27 for its March 29 episode. She will additionally visit "The Ellen DeGeneres Show" sometime this month and perform at the upcoming Nickelodeon's 24th Annual Kids' Choice Awards on April 2.

In between the hectic schedule, she has spared some time to shoot a music video for her second single "Till The World Ends" in Los Angeles. Ray Kay is tapped to direct the video. A sneak peek has been shared on her Twitter with caption, "Day 1 of the #TTWE Videoshoot. Just wrapped my first big dance number. Taking a well deserved break people!"