Onscreen Chemistry That Turned Into Secret Co-Star Romances

Nina Dobrev And Ian Somerhalder

Meeting on the set of The Vampire Diaries, actors Nina Dobrev and Ian Somerhalder were bound to get together sooner or later since they had more than one romantically-charged scene together as Elena and Damon.

The two actually were together for an entire year before anyone found out! They ended up dating between 2010 and 2013.

Kristen Stewart And Robert Pattinson

Twilight fans were waiting for stars Kristen Stewart and Robert Pattinson to get together. It would be like a real-life Bella and Edward situation without the fangs. Even so, they never showed signs of a relationship, keeping things professional while promoting their movies.

It wasn't until Eclipse producer Wyck Godfrey spilled the beans and outed the two actors as dating!

Miley Cyrus And Lucas Till

Miley Cyrus was a mega-star during her days as Hannah Montana, a popular character and series that eventually led to a movie. During the filming of Hannah Montana: The Movie, Cyrus secretly got together with her on-screen love interest Lucas Till.

The actors were together for two years, something that was completely unknown to the public until a year after the two split up.

Mark-Paul Gosselaar And Lark Voorhies

It seems as though the set of Saved By The Bell was a bit like high school, with the main cast members secretly dating one another without the others' knowledge. Of course, that just left the rumor mill in a whirl.

One of these on-set secret relationships was between Mark-Paul Gosselaar and Lark Voorhies, a pair that stayed together for three years.

Keep reading to learn which of Jared Padalecki's relationships was a secret that he found to be silly.

Brad Pitt And Angelina Jolie

The love story between Brad Pitt and Angelina Jolie is a doozy. The two met while filming Mr. and Mrs. Smith, a romantically-charged film if there ever was one. Their on-screen chemistry was just too real for nothing outside of the film to happen.

Something did happen, but the two actors didn't admit their relationship until a little under a year later.

Aly Michalka And Ricky Ullman

For those who remember the days of the early-2000s Disney Channel shows, there are two actors no one knew were dating. Phil of the Future stars Aly Michalka And Ricky Ullman were together for six-year!

Their relationship didn't get any publicity until after the two actors went their separate ways.

Maureen McCormick And Barry Williams

Maureen McCormick and Barry Williams played siblings Marcia and Greg on the beloved sitcom The Brady Bunch. Because they played onscreen siblings, no one thought the two would be romantically involved.

Well, 39 years after the final episode aired, Williams came clean, saying the two had a brief romance while filming the series!

Kaley Cuoco And Johnny Galecki

Actors Kaley Cuoco and Johnny Galecki worked together on the award-winning sitcom Big Bang Theory where they played Penny and Leonard. Throughout the show, their characters went from friends to married!

As it turns out, they weren't the only ones getting romantically involved. Cuoco and Galecki secretly dated for two years. They didn't tell a soul until a year after they broke up.

Alexis Bledel And Jared Padalecki

In the series Gilmore Girls, Jared Padalecki played Dean, Alexis Bledel's character Rory's on-again-off-again boyfriend. The teens did spark romance rumors during the show's first season, but nothing was confirmed until many years later.

It wasn't until nine years later, when director Mara Casey was in an interview, that the relationship was confirmed, something Padalecki called "silly" since they were only teenagers.

Spidey fans had an inkling about this upcoming secret romance.

Matthew Broderick And Jennifer Grey

While Ferris Bueller's Day Off was busy receiving critical acclaim from both viewers and critics, stars Matthew Broderick and Jennifer Grey were busy having a secret off-screen romance.

Sadly, the two actors were involved in a car crash, and the accident is what led to their romance being uncovered by the press.

Kelly Clarkson And Justin Guarini

When Kelly Clarkson and Justin Guarini were competing against one another on American Idol, fans of the singing competition could have sworn the two were romantically involved.

It wasn't until years later that Clarkson revealed that while they did not date while competing, the two of them did get together after the show ended.

Brenda Song And Macaulay Culkin

Actors Brenda song and Macaulay Culkin met on the set of the 2019 film Changeland where they starred as Pam and Ian. While they began their relationship off-camera that year, no one knew about their romance until a solid year later.

In 2021, the two welcomed their first child, a daughter named Dakota.

Miley Cyrus And Liam Hemsworth

When two young actors are put together to star in a Nicolas Sparks film adaptation, sparks are bound to fly. As it turned out, Miley Cyrus and Liam Hemsworth weren't above getting swept up in the dramatic romance while filming The Last Song.

The two began secretly dating while filming took place in 2009, but their relationship wasn't made public until a year later when they walked the Oscar's red carpet together.

Zendaya And Tom Holland

Ever since Homecoming, Spider-Man fans have been determined to figure out is co-stars Zendaya and Tom Holland were dating. Their on-screen chemistry is so intense that they had to be in a relationship, right?

The two didn't admit to their romance until a paparazzi picture leaked of the two kissing in a car. That was in 2021. For reference, Homecoming was released in 2017!

No one knew these upcoming 90210 stars were dating, including the guy!

Ashley Benson And Cara Delevingne

Ashley Benson and Cara Delevingne met on the set of the film Her Smell. While they were hitting it off in the movie, they were also hitting it off on set. In 2018, the two were often seen together, sparking rumors that the two were romantically involved.

It wasn't until a year later that Delevigne confirmed their relationship via Instagram.

Mario Lopez And Tiffani Thiessen

During their days on Saved By The Bell, Mario Lopez and Tiffani Thiessen apparently had a secret relationship off of the set.

They were not public about their romance, and fans of the show actually had no clue the two were even together until years later when producer Peter Engel spilled the beans in his tell-all book I Was Saved by the Bell: Stories of Life, Love, and Dreams That Do Come True.

Ross Lynch And Jaz Sinclair

The Chilling Adventures of Sabrina co-stars Ross Lynch and Jaz Sinclair had fans talking about a possible romance for a while. It might have had something to do with the fact that the two were caught kissing away from the set!

Even so, the two didn't confirm their relationship until a year after the kiss.

Vanessa Hudgens And Josh Hutcherson

Honestly, fans had no idea Vanessa Hudgens and Josh Hutcherson were even contemplating dating, never mind actually going through with it. The thing is, the two actors were dating while filming their film Journey 2: The Mysterious Island.

Their short-lived relationship didn't come to light until after they broke up and were in an interview promoting the movie.

Brian Austin Green And Tori Spelling

During their time on Beverly Hills, 90210, Brian Austin Green and Tori Spelling had a secret off-screen relationship. Well, at least, according to Spelling. During an interview with Woman on Top podcast, Spelling said, "[Brian] and I have different perspectives of what that was. There's the young girl version and the young boy version, so two different versions."

Either way, they were romantically involved for a little while without anyone's knowledge.