On-screen chemistry is vital to the success of any film. It’s immediately noticeable when it’s not there and almost impossible to fake.
As it turns out, some of the best chemistry that takes place on-screen is often a result of the actors’ relationship off-screen. Get a better idea of what I’m talking about and be sure to check out these actors who had steamy chemistry both on and off-screen .
Alexis Bledel and Vincent Kartheiser in ‘Mad Men’.

Alexis and Vincent met for the first time after on the set of Mad Men and fell madly in love with one another. The couple married in 2014 and have been happily wed ever since.
Julianna Margulies and George Clooney had the hots for one another in ‘ER’.

Who could forget the good old days of Doug and Carol on ER ? According to Julianna, that kind of chemistry only occurs when both actors have a crush on one another.
Eva Mendes and Ryan Gosling in ‘The Place Beyond The Pines’.

Ryan and Eva had never met before filming for The Place Beyond the Pines took place, and their relationship began almost immediately. Now, the couple has two beautiful children together.
Jenna Dewan and Channing Tatum in ‘Step Up’.

Channing and Jenna stole our hearts in the cult classic film Step Up . They were married in 2009 and welcomed their first child in early 2013. Sadly, their love wasn’t meant to be and the couple divorced in February of 2020.
Robert Pattinson and Kristen Stewart in the ‘Twilight’ saga.

Kristen Stewart broke millions of young girls’ hearts all over the world when news of her relationship with Twilight co-star Robert Pattinson was confirmed. Kristen then became one of the most hated actresses in all of Hollywood when it was revealed that she’d been unfaithful to him.
Jennifer Lopez and Ben Affleck in ‘Gigli’.

It’s hard to believe but there once was a time when J-Lo and Ben Affleck were the most talked-about celebrity power couple in all of Hollywood. Their film Gigli was a disaster, but the chemistry was most assuredly legit.
Shane West and Mandy Moore in ‘A Walk To Remember’.

“There was chemistry,” Shane told Vulture . “I think we both had a little bit of a crush, but then we were just there for each other in the most honest and purest of ways. That sounds incredibly corny, but it’s true and rare .”
Brad Pitt and Angelina Jolie in ‘Mr. & Mrs. Smith’.

Right from the get-go, rumors began to swirl that Brad and Angelina were getting a little too close for comfort on the set of Mr. & Mrs. Smith. Reports were later confirmed, resulting in Brad’s divorce from his then-current wife, Jennifer Aniston.
Rachel McAdams and Ryan Gosling in ‘The Notebook’.

After seeing The Notebook , fans everywhere decided that the chemistry between the two young leads seemed too palpable for it not to be genuine. Our suspicions were confirmed not long after that Ryan and Rachel were dated, however they broke up not long after the film’s release.
Andrew Garfield and Emma Stone in ‘The Amazing Spider-Man’.

Even though they were warned to not get involved with one another by studio executives, Andrew and Emma defied their stars and began dating shortly after filming began. Although their relationship didn’t last, the two remain close friends .
Ben Affleck and Jennifer Garner in ‘Daredevil’.

The best thing to come out of the ill-fated Daredevil film was Ben Affleck’s and Jennifer Garner’s marriage. The couple was together for many years before ultimately filing for divorce back in October of 2018.
Sarah Michelle Gellar and Freddie Prinze Jr. in ‘I Know What You Did Last Summer’.

Freddie and Michelle were great on-screen together, even though their characters weren’t romantically linked. They began dating shortly thereafter and have been happily married since 2002.
Minnie Driver and Matt Damon in ‘Good Will Hunting’.

It didn’t take long for Minnie Driver to fall head-over-heels in love with her co-star, Matt Damon. The pair dated for a short while after the film’s release, but ultimately called it quits.
Rachel Bilson and Adam Brody in ‘The O.C.’

Fans of The O.C. found it all but impossible to not fall in love with Summer and Seth. It would appear that Adam Brody and Rachel Bilson reciprocated our feelings, as the couple dated for three years before going their separate ways.
Tom Holland and Zendaya in the ‘Spider-Man’ franchise.

Without a doubt, everyone’s favorite Hollywood power couple of the moment is none other than Tom Holland and Zendaya. Their relationship began on the first Spider-Man film and is still going strong.