Sam said he's “always gonna be grateful and happy” to have been in Britney's life.

We're truly blessed. And rounding out the cast is none other than Sam Asghari, a man best known for being Britney Spears's ex-husband. But he's gonna have to find something else to talk about ...

However, based on Cosmopolitan's gallery, it seems like Spears' hair changed ... on the cover of Lucky magazine and fans noticed that she looked off. What are Britney Spears' #1 hits, according ...