Miley Cyrus Goes Grunge for American Hi-Fi Concert in London!

Miley Cyrus sports a fun rocker look as she heads out of the 100 Club with pals on Wednesday night (May 7) in London, England.

The 21-year-old entertainer caught a performance by the band American Hi-Fi.

PHOTOS: Check out the latest pics of Miley Cyrus

The night before, Miley finally returned to the stage for her Bangerz Tour show at the O2 Arena after being hospitalized for two weeks.

In case you missed the exciting news, Miley is set to perform at the upcoming 2014 Billboard Music Awards!