She was natural inside Laurel, Mississippi and named by her father fallowing a Fifties supermodel Suzy Parker. She & her twin brother, Chris, were raised in Mississippi and Louisiana. Her father Christopher Posey, owns the Chevrolet dealership, named Posey Chevrolet, inside Laurel.

She attended Purchase College where she roomed with fellow actress Sherry Stringfield and, like Stringfield, her number one role get on the soap opera. Around Posey's out break, it was in As the World Turns.

Her foremost lead role was within Party Girl (1995). She would late last in to prove her striking merit by having critically-lauded films rather Personal Velocity, and Clockwatchers. She has appeared around trio of Christopher Guest's mock documentaries: Waiting for Guffman (1996), Best in Show (2000), A Mighty Wind (2003), and is presently cinematography the for, For Your Consideration.

Her large budget movie studio films include Scream 3 (2000), ''You've Got Mail (1998), Josie and the Pussycats (2001), and Blade: Trinity (2004).

Her next role is an supporter to villain Lex Luthor in Superman Returns (2006)

Parker resides on the west side within New York. She dated Ryan Adams, though they broke higher inside early 2005.

More films include: The Anniversary Party (2001) The House of Yes (1997) Clockwatchers (1997) The Daytrippers (1995) Dazed and Confused'' (1993)