1) Angelina Jolie & Brad Pitt: Mr. & Mrs. Smith
The steamiest celebrity couple--that can't be denied of their wicked chemistry!

2) Ryan Gosling & Rachel McAdams, The Notebook
They fell head over heels for one another during the best love story ever told!

3) Heath Ledger & Michelle Williams, Brokeback Mountain
They got straight to business, shortly after the movie the couple welcomed a baby girl, Matilda.

4) Will Smith & Jada Pinkett-Smith, Ali
Married 9 years and whenever they have a chance to work together it's sizzling -- biography of boxer Muhammad Ali.

5) Ethan Hawke & Uma Thurman, Gattaca
When they filmed together, their chemistry was incredibly intense. No longer a couple.

6) Tom Cruise & Nicole Kidman, Eyes Wide Shut
Long before TomKat was around, Hollywood was hooked on NicoTom!

7) Renee Zellweger & Jim Carrey , Me, Myself & Irene
Renne Zellweger and Jim Carrey made the perfect laugh!

8) Reese Witherspoon & Ryan Phillipe, Cruel Intentions
In real life they have amazing compatibility but on film their innocence, seduction and betrayal gave a different direction to the teen thriller.

9) Penelope Cruz & Matthew McConaughey, Sahara
Penelope Cruz and Matthew McConaughey can heat up anyone's screen together. The Indiana Jones-type adventure, they sucked you into the movie--that you forgot where you were at the end. They're no longer doing it off screen!

10) Scarlett Johansson & Josh Hartnett, The Black Dahlia
Audiences have not yet seen these two stir-up sparks on a film. They just finished co-starring in The Black Dahlia, a murder mystery.