Rhys Ifans is staying with Kate Moss while he gets over his split from Sienna Miller.
The model is furious with Sienna after she reportedly dumped her close friend Rhys over the telephone.
The two beauties have never seen eye-to-eye and Kate had previously warned Sienna she wouldbe in trouble if she broke Rhys' heart.
A source told Britain's Daily Express newspaper: "Rhys is probably Kate's best male friend. In fact, she's as close to him as a sister and she's very protective of him because she knows his vulnerabilities.
"Kate is very loyal when it comes to her friends. She has taken Rhys in and told him he can stay at her place for as long as he wants. He's in a really bad way and she's really angry with Sienna, even though Kate knew she would never stay with Rhys."
Sienna is rumoured to have dumped Rhys after he grew jealous of her close relationship with her The Edge of Love co-star and ex-lover Matthew Rhys.
Rhys has reportedly threatened to beat up Matthew if he finds out Sienna cheated on him.
The Notting Hill actor has also warned he will humiliate Sienna and Matthew at the upcoming world premiere of their film The Edge of Love by turning up for a public showdown.
A source told Britain's The Sun newspaper: "He has taken this break-up really badly. He's spent the week drinking and texting Sienna, begging her to change her mind.
"His hurt has now turned to anger and he has said he will sort Matthew out when he sees him. He is raging.
"His last message to Sienna said he will ruin her big night at the premiere. She thinks he is serious."
The movie is due to have its first showing at the Edinburgh Film Festival on June 19.
Sienna, 26, is said to have dumped Rhys over the phone, citing their long-distance relationship as the reason.
Rhys, 39, is believed to have been upset over the amount of time she was spending with Matthew.
A source said: "Sienna broke the news at the weekend in a call from Prague.
Things have been awkward for a while after she caught Rhys going through her text messages. She went mad and Rhys said he was looking for what he called 'incriminating evidence'."
