Sienna Miller and Balthazar Getty in Positano, Italy  (7/14)

Apparently satisfied with leaving his marriage in ruins, Sienna Miller has grown tired with her boyfriend Balthazar Getty. The actress told Us Weekly:

"I'm single at the moment, and I'm completely happy with that. It's nice not to have a relationship that the press constantly want to scrutinize and discuss. I'm cool with being on my own."

iller and Getty's romance first made headlines in July when Getty, 33 -- who was married at the time -- was photographed kissing a topless Miller, 26, on a boat in Italy. (Source)

You know what other kind of relationship is "nice not to have"? One where you're banging guys that are already married. Apparently Sienna hasn't had time yet to read Angelina's guide book on how to steal a man and then become adored by the public. Step 1. Become a humanitarian. Step 2. Adopt 12 kids. Step 3. Have lips like this guy.