Sienna Miller hit a fashion low note with her dark brows on set of a Valentino shoot in Rome

The star has put on a brave face throughout her Roman holiday - just days earlier she found herself at the centre of controversy.

She has been blamed for the break-up of American rapper P Diddy's long-term relationship with the model Kim Porter, the mother of his three children.

According to reports in the U.S., 36-year-old Miss Porter has moved out of the couple's New York apartment following rumours concerning the nature of Diddy and Miss Miller's friendship.

Painted lady: Sienna's all made up

News of the split came just five days after the rapper and Miss Miller spent much of the evening flirting in the VIP area of London's Paper nightclub after the Princess Diana memorial concert.

As Miss Miller walked into the club, she approached Diddy - real name Sean Combs - and flung her arms around him in a dramatic embrace before appearing to kiss him full on the lips.

They recently also enjoyed a romantic dinner together at the London restaurant Cipriani.

Despite persistent rumours to the contrary, both Miss Miller, and 37-year-old Diddy have denied any romance.

Before: Sienna was a make-up free zone when she first arrived in Rome

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