Christina is a seamstress that works at Mode and also Betty's friend and confidant.  She is originally from Scotland where she married a man named Stuart who shows up in seaosn 2.  Christina is also the surrogate for Wilhelmina and Bradford's child.

Christina McKinney Quotes

I had a piece of your hair tested. They found Oxycontin and heroine. It's like Rush Limbaugh and Amy Winehouse fornicated and had you.

Christina

Betty: But I'm working for Wilhemnia.
Christina: I know, The wicked witch of the east side.

Ugly Betty Quotes

Amanda [referring to Fey]: I just stare at her picture all day and then I stare at myself in the mirror
Marc: More than usual?
Amanda: Yeah
Marc: Oh
Amanda: I just wish I got to know her better
Marc: Yeah and I wish I got to know Marlon Brando before he got fat

Bye bye braces!

Betty