Britney Spears' smile has changed, as fans have noticed multiple gaps in her teeth. Here's what's going on with her teeth.

LAS VEGAS, NV – OCTOBER 18: Singer Britney Spears attends the announcement of her new residency, “Britney: Domination” at ...

Britney Spears’ odd behavior has continued ... However, some viewers pointed to a gap in Spears’ teeth, saying, “Her teeth ain’t never looked like that… It’s like she got someone ...