Onscreen couples who "hooked up" in real life?

In one of my ongoing crusades to kill time the other night, I started mentally compiling a list of onscreen movie and TV couples who actually ended up in a relationship in real life; I was wondering if anyone could help me fill in the gaps.

So far, I can think of:

Hepburn and Tracy
Kurt Russell and Goldie Hawn
Ben Affleck and Jennifer Garner
Jessica Alba and Michael Weatherly
and Reese Witherspoon and Ryan Phillippe.

(Cites available on request, naturally.)

Who else am I missing?

Taylor and Burton

Brangelina
Jennifer Aniston/Vince Vaughn

Chistopher Knightand Andrienne whatserface
Roy Rogers and Dale Evans
Ronald Reagan and Jane Wyman
Bobby Darin and Sandra Dee
Bogie and Bacall
Paul Hogan and Linda Kozlowski
Paul Newman and Joanne Woodward

Do you mean couples that got into a relationship after the movie came out, during production, or were a couple before the movie came out? If it’s the latter:

Alec Baldwin and Kim Basinger (Marrying Man, The Getaway)
Steve McQueen and Ali McGraw (The Getaway)
Jeff Goldblum and Geena Davis (The Fly, Earth Girls Are Easy)

Clark Gable and Carole Lombard (No Man of Her Own, 1932)
Rex Harrison and Kay Kendall (The Constant Husband, 1955)
Richard Ney and Greer Garson (Mrs. Miniver, 1942)
Gary Merrill and Bette Davis (All About Eve, 1950)
Franchot Tone and Joan Crawford (Dancing Lady, Today We Live, 1933; Sadie McKee, 1934)

Kyra Sedgwick and Kevin Bacon.

David Birney and Meredith Baxter (Birney)
Sam Elliot and Katharine Ross
Michael J. Fox and Tracy Pollan

Also, Kenneth Branagh and Emma Thompson (Much Ado About Nothing).

Jim Carrey and Lauren Holly (Dumb and Dumber)

Tom Cruise and Mimi Rodgers
Tom Cruise and Nicole Kidman
Tom Cruise and Penelope Cruz (briefly, after the divorce)

I’m sure there’s more, those are off the top of my head.

Rachel McAdams and Ryan Gosling. (The Notebook)
Rachel Bilson and Adam Brody. (The O.C.)
Milo Ventimiglia and Alexis Bledel. (Gilmore Girls)

Malcolm McDowell and Mary Steenburgen met while filming Time After Time. They got married but later divorced.

I can’t believe you are missing the handsome guy and the woman with the lips.
I can’t believe I’m spacing names like this…and yet I’m somehow proud of myself…
Brad Pitt and Angelina Jolie.

Torville and Dean (TV / ice dance).

Supposedly: the actors who played Boone and Shannon on Lost, and possibly the actors playing Kate and Charlie as well.
Rumors, but possible.

want2know mentioned them with Brangelina, their tabloid nickname.

:smack: Forget that second pair. They’re not an onscreen couple…yet.

[quote]
Eve: Richard Ney and Greer Garson (Mrs. Miniver, 1942)

There is a little bit of an ick factor: He played her son in Mrs. Miniver.

I dont think they ever were, or are now, romantically involved.

Jayne Torvill married to Phil Christensen, 1990

Chrisopher Dean married to Jill Trenary, 1994

Link to (unofficial) fansite