Scarlett Johansson,Eva Mendes at launch party of "The Spirit" in London

Actress Scarlett Johansson arrives for the launch party of Frank Miller's adaptation of the comic series "The Spirit" in London December 4, 2008.

Scarlett Johansson,Eva Mendes and Paz Vega promote film "The Spirit" in Madrid

U.S. actress Eva Mendes gestures during a photocall to promote the film "The Spirit" in Madrid December 2, 2008.

Scarlett Johansson,Eva Mendes attend cocktail against cancer in Madrid

U.S. actresses Scarlett Johansson (L) and Eva Mendes pose during a solidarity cocktail against cancer in Madrid December 2, 2008.

Eva Mendes' beauty hang-up

Eva Mendes hangs upside down to maintain her stunning looks.

Eva Mendes promotes Calvin Klein's Seductive Comfort bras in London

Eva Mendes promotes Calvin Klein's new range of Seductive Comfort bras at Harrods on October 14, 2008 in London, England.

Eva Mendes promotes 'Secret Obsession'

U.S. actress Eva Mendes poses next to a photograph to promote the fragrance 'Secret Obsession' by Calvin Klein in Berlin, September 18, 2008.

Meg Ryan and other celebs at premiere of film "The Women" in L.A.

Actress Meg Ryan, star of the film "The Women", poses at the film's premiere in Los Angeles September 4, 2008.

Eva Mendes' gym battle

Eva Mendes says keeping in shape is a "constant struggle".

Eva Mendes

Nicolas Cage and Eva Mendes at photocall at the 66th Venice Film Festival

Nicolas Cage and Eva Mendes pose for photographers during a photocall at the 66th Venice Film Festival September 4, 2009.