Sienna Miller (“Casanova,” “Factory Girl”) has seemingly officially split from boyfriend Rhys Ifans (“Notting Hill”) because he was jealous over her seeing so much of one of her many exes, Matthew Rhys (“Brothers & Sisters” – he only plays gay on TV). Sienna broke it to Rhys by phone while they were in different countries. [...]

  While it wasn’t long ago that Sienna Miller and Rhys Ifans seemed  headed for matrimonial bliss, it now appears the lanky pair are headed towards splitsville. Work committments and jealousy seem to be the reasons. Source: Showbiz Spy

  Those always-on-the-lookout anonymous sources say Sienna Miller, 26, and boyfriend Rhys Ifans, 39, will marry on Isla Mujeres, off the coast of Cancun. “This particular resort is literally in the middle of nowhere,” said a source, “so it’s perfect if you want a private ceremony.” Source: Bang Showbiz