Sienna Miller's Mexican getaway

Nov 22, 2007, 7:30 GMT

10/18/2007 - Sienna Miller - BFI London Film Festival: Interview - Screening - Arrivals - Odeon West End, Leicester Square - London, England © Solarpix / PR Photos

Sienna Miller and Rhys Ifans have flown to Mexico for a romantic holiday.

Sienna and Rhys, who are believed to have been dating since August, held hands as they arrived at Mexico City airport clutching their matching his and hers luggage on Tuesday (20.11.07).

A tired looking Sienna, who was wearing jeans and a black jacket, tried to hide behind her black sunglasses, while Rhys strolled along smiling.

A source said: "They looked very loved up and excited about their holiday. They were holding hands and laughing and joking."

This is not the couple's first romantic break.

Sienna, 25, and Rhys, 39, were spotted together in August, soaking up the sun on Balearic party island Ibiza, where the actress happily sunbathed topless.

In October, the couple were seen in Dublin where Rhys had a swallow tattooed on his right wrist to match Sienna's.

Meanwhile, Kate Moss has warned Sienna not to hurt her good friend Rhys.

The catwalk beauty had a dramatic showdown with rival Sienna over the actress' relationship with the Welsh actor at British soap star Davinia Taylor's 30th birthday party at The Colour Rooms, in east London, on Saturday (17.11.07).

Kate, 33, was overheard saying: "If you hurt Rhys, you'll have made an enemy for life. Treat him right and we'll leave you alone. But don't hurt him because we love him - and we always stick together."

Sienna has reportedly rejected five marriage proposals from Rhys.

(C) BANG Media International