Miley Cyrus' Bangerz Tour Resumes -- and She Instagrams a Celebratory Twerk

May 5, 2014— -- Miley Cyrus is ready to take the stage again. The pop star will finally resume here Bangerz tour on Tuesday, May 6, after a nine-day hospitalization that forced her to cancel several shows in the United States and two more in Amsterdam this past weekend.

The singer is now ready to wow a London crowd -- and to prove it, she posted a twerking video.

The 21-year-old celebrating in the video with a friend stood in sharp contrast to the one who made agonized tweets in the last few weeks.

Cyrus suffered an allergic reaction to antibiotics prescribed for a sinus condition and she showed how devastated she was by canceling five performances in the U.S., beginning with the April 15 show in Kansas City.

But don't worry M.C. loyalists: The artist is committed to making it up to her fans and has rescheduled all cancelled shows, including those in Amsterdam and Antwerp, and added two bonus dates in U.S.

Read Miley Cyrus Opens Up About ‘Really Scary’ Allergic Reaction, Plus Concert Dates