A rep for James Blunt confirms that he and Petra Nemcova split in February, though it was on amicable terms and they remain good friends. Additionally Blunt has recently been seen partying with the likes of Lindsay Lohan, and was spotted with her on numerous occasions in LA, including Teddy's Wednesday night, then Lohan's place very late Wednesday night and early Thursday morning, and finally at Blunt's hotel room around 3am. Saturday morning. A clubgoer at Teddy's says:

"Lindsay and James were never affectionate, but they did seem flirty, standing right next to each other, and constantly talking." Lohan and Blunt were part of a group of people who left together at 2:15 a.m.

I know it's just James Blunt, but going from Petra Nemcova to Lindsay Lohan has to be a pretty hard step to take. It's like having filet mignon your entire life and then one day having to eat a homeless person's old shoe. Which, in this case, also happens to be a used condom. Source

More...