Different hat but can't see if she's wearing those blue contact lenses

Before and after: Wow, what a difference a little time spent in rehab can make

In recent weeks she has embarked on a vigorous exercise regime, including regular dance classes.

Pretty in pink?

Now we're just hoping with Britney's major body overhaul, she starts to re-think some of her odd sartorial choices, such as that pink crop top.