The Women (2008)

Genre: Comedy | Drama
Directed By: Diane English
Starring: Meg Ryan, Eva Mendes, Annette Bening, and Debra Messing
Plot: A wealthy New Yorker leaves her cheating husband and bonds with other society women at a resort.

The story centers on a group of gossipy, high-society women who spend their days at the beauty salon and haunting fashion shows. The sweet, happily-wedded Mary Haines finds her marriage in trouble when shop girl Crystal Allen gets her hooks into Mary’s man. Naturally, this situation becomes the hot talk amongst Mary’s catty friends, especially the scandalmonger Sylvia Fowler, who has little room to talk - she finds herself on a train to Reno and headed for divorce right after Mary.

http://www.imdb.com/title/tt0430770/
http://en.wikipedia.org/wiki/The_Women_(2008_film)