Brangelina all started here. As John and Jane Smith, Brad Pitt and Angelina Jolie play a husband and wife whose double lives as top-secret (and top-notch) assassins are revealed when they're hired to kill each other. Butt-kicking, spy intrigue, explosions and crazy hot sex ensue.

Long before he was governor of California, Arnold Schwarzenegger was working for the U.S. government as agent Harry Tasker in its counter-terrorism unit. When his "day job" as a dull computer salesman pushes his wife, Helen (Jamie Lee Curtis), to an affair, Harry uses his intelligence job perks to show her he's not as boring as he seems.

Just your classic tale of "Boy meets girl. Boy kills girl's pimp. Boy accidentally takes pimp's cocaine. Mobsters chase boy and girl." While Christian Slater and Patricia Arquette don't play the most skilled outlaws around, you'd be cold not to fall in love with their vibrant, sizzling chemistry.

Who needs a memory when you can romance Franka Potente? Matt Damon's amnesiac operative Jason Bourne takes Potente's Marie Kreutz for a high-octane, bullet-flying, black-hair-dying ride after bribing her to help him escape authorities.

OK, so Keanu Reeves and Sandra Bullock spend most of the movie on a bus, but how hot was it when they slide out of it, cradling each other?

If you want a crash course in sexual tension, check out George Clooney and Jennifer Lopez's slow-burning tango. It all starts in the opening scene when his bank robber, Jack Foley, and her U.S. Marshal, Karen Sisco, are locked in a trunk together. Personal space is overrated.

The delicious cat-and-mouse game betwen Pierce Brosnan's billionaire art thief and Rene Russo's sassy insurance investigator culminates in one of the sexiest romps captured on celluloid.

Who doesn't love a little love in the jungle? Romance writer Joan Wilder (Kathleen Turner) ventures to Colombia to save her kidnapped sister, but finds herself in the middle of a dangerous hunt for treasure. Thank goodness swashbuckling soldier-of-fortune Jack Colton (Michael Douglas) swings in.

Little did anyone know that the fifth element would take form in Leeloo (Milla Jovovich), a red-headed nymph described as "the perfect being." After she falls into a taxi driven by Korben Dallas (Bruce Willis), the two embark on a quest to save the world from evil, which they do — with their love.

Jaded assassin Martin Blank is sent on a mission in his hometown of Grosse Pointe, Mich., where his 10-year high-school reunion is also taking place. His target turns out to be the father of his scorned prom date, Debi (Minnie Driver), with whom he tries to make amends. What's a hitman with a heart to do? Break contract and save pops!

Will Tom Cruise and Cameron Diaz rival Ashton Kutcher and Katherine Heigl for 2010 action-romance supremacy? Diaz plays an unlucky-in-love gal whose blind date with Cruise's super spy turns her world upside-down.