Following her run to the finals of American Idol, Crystal Bowersox has not let success go to her head.

But she has let it get to her mouth!

The singer, who sported dreadlocks and a gap-toothed grin throughout her run on the show, visited the dentist before embarking on this summer's tour and has Tweeted a photo of her new smile, along with the following:

whats NOT missing in this picture?????? Yeah. That’s right.

We've posted the before-and-after shots below. Looking good, Crystal!