Speaking about her relationship with the Welsh hellraiser she said: "Of course we go out together - but you don't really see us pictured together.
We try not to make anything public because it can make relationships harder.
Early stage work by Ifans included Hamlet at Theatre Clwyd, A Midsummer Night's Dream at the Regent's Park Theatre, and Under Milk Wood and Volpone at the Royal National Theatre.
He appeared at the Donmar Warehouse in 2003's Accidental Death of an Anarchist.
His acting was well criticized, and audience also loved his acting.
2007 - 2008Sienna Miller and Rhys Ifans, a Welsh actor, kept the love alive for awhile.
He attended Ysgol Maes Garmon, a Welsh language secondary school in Mold, Flintshire, where he sat his O levels and A levels.
Rumours started circulating after Rhys was seen outside Anna's home clad only in a dressing gown.
In 2006 he returned to the London stage in Michael Grandage's production of Don Juan in Soho at the Donmar Warehouse.
Best known for his role in “Notting Hill” as Spike, Rhys Ifans has made himself as a popular actor in the acting as well as music industry.
In 1999, he got a chance to work in the successful movie “Notting Hill” where he portrayed the role of Spike.
Because of his unique way of presenting himself, he was easily distinguished, and many directors want to work with him. In 2004, he worked in the movie “Enduring Love” as Jed.