In terms of breakups, we all remember Carrie and Berger's Post-It moment on Sex and The City, and while he didn't quite slap a sticky note on her laptop, it seems Princess Diana's brother, Charles Spencer, might've chosen an equally impersonal way to end his relationship with ex-wife Karen Spencer.

Princess Diana's younger brother, Charles Spencer, shockingly ended his marriage after over a decade in a way that most people would consider somewhat careless.

Happy new year, things are already dramatic in the (extended) royal family. By which we mean Princess Diana's brother, Charles Spencer, has been accused of cheating by his ex-wife Karen Spencer in explosive new legal documents.

It was only seven months ago that Princess Diana's brother Charles announced his divorce from Countess Karen Spencer, and since then, things have only gotten messier. According to documents filed in the High Court by the Countess and later obtained by People,