In Her Shoes (2005), Directed by Curtis Hanson – good movies with Toni Collette, Cameron Diaz, Shirley MacLaine, Anson Mount

Strait-laced Rose breaks off relations with her party girl sister, Maggie, over an indiscretion involving Rose’s boyfriend. The chilly atmosphere is broken with the arrival of Ella, the grandmother neither sister knew existed.

http://www.imdb.com/title/tt0388125