Rachel Sarah Bilson is an American actress and fashion model. Bilson grew up in a California show business family, and made her television debut in 2003, subsequently becoming well known for playing Summer Roberts on The O.C. (more at Wikipedia)

Photos on this page are from Reddit and Imgur.

From Hart of Dixie episode 1x04, "In Havoc and in Heat". She wears the dress for the entire second half of the show, except for the part where she goes skinny-dipping. The episode also starts out with her cooling herself with an ice cube. Seriously.

That bodycon dress is $1000: http://wornontv.net/1190/

Rachel Bilson likes little black dresses...

...and yellow dresses, too.

Rachel Bilson in The To Do List: http://gfycat.com/GloomyBriefAlaskanhusky

To Do List Trailer:

She also kissed a girl on How I Met Your Mother:

A few more: http://imgur.com/a/hu9Ib http://imgur.com/a/fdm6T