Miley Cyrus was forced to cancel a few shows due to a strep thoroat but she has announced she is back on. The singer told fans she can’t wait for her tonight show in in Auburn Hills, Michigan. "Got the go ahead from the doc & the beast is ready to be unleashed!" she tweeted yesterday. "I always love performing in MI but this show is gonna get crazzzzyyy!" Miley then wrote, "gotta get up at 6:30! It's my first day back for goodness sakes! You'd think they'd learn their lesson and take it a little slower but nooo."