Britney Spears: The once and future Versace muse

(Critic’s Notebook)

The dress was long. It was white. It was Versace. And it wasn’t just a wedding dress.

Well, it was, literally, a wedding dress — the dress Britney Spears wore to marry Sam Asghari on June 9 in Los Angeles. But it was also a symbol of Spears’ new era of independence, and a relatively restrained choice for a woman who has lived a lot of her pain, and her fame, in public. While it may be her third marriage, it’s…