Hollywood romances can start in unexpected places. Sometimes actors spend months playing love interests, but in a few unusual cases, sparks flew between stars who were actually playing siblings on screen. While audiences watched them act like family members, their real-life relationships told a very different story.
Ian Somerhalder And Maggie Grace (Lost)

On Lost, Ian Somerhalder and Maggie Grace played step-siblings Boone Carlyle and Shannon Rutherford.
Off screen, however, the pair dated for several years after meeting on the show. Their relationship lasted well beyond their characters’ time on the island.
Michael C. Hall And Jennifer Carpenter (Dexter)

One of the most famous examples involves Michael C. Hall and Jennifer Carpenter.
The actors played adoptive siblings Dexter and Debra Morgan on Dexter. In real life, they dated, got married, and later divorced while continuing to work together on the series.
Emily VanCamp And Chris Pratt (Everwood)

Long before they became major stars, Emily VanCamp and Chris Pratt played siblings Amy and Bright Abbott on Everwood.
The pair dated for several years during the show’s run, creating one of television’s more unusual behind-the-scenes romances.
Katherine Heigl And Jason Behr (Roswell)

On the sci-fi drama Roswell, Katherine Heigl and Jason Behr portrayed alien siblings Isabel and Max Evans.
Away from the cameras, they became a couple and reportedly dated for much of the show’s run.
Matthew Broderick And Jennifer Grey (Ferris Bueller’s Day Off)

Before becoming one of Hollywood’s most talked-about couples of the 1980s, Matthew Broderick and Jennifer Grey played siblings Ferris and Jeanie Bueller.
The two began dating around the time the film was released and were even briefly engaged.
Lauren Graham And Peter Krause (Parenthood)

Fans of Parenthood watched Lauren Graham and Peter Krause play siblings Sarah and Adam Braverman.
In real life, the actors were in a long-term relationship that lasted for more than a decade.
Shannen Doherty And Jason Priestley (Beverly Hills, 90210)

As Brenda and Brandon Walsh, Shannen Doherty and Jason Priestley became one of television’s most recognizable sibling pairs.
Reports over the years have suggested the two briefly dated while working together during the show’s early years.
Dave Annable And Emily VanCamp (Brothers & Sisters)

Emily VanCamp makes a second appearance on this list. After dating Chris Pratt while playing his sister on Everwood, she later dated Dave Annable while the two were playing half-siblings on Brothers & Sisters.
According to the show’s producers, their chemistry became so obvious that storylines were eventually adjusted.
When Fiction And Reality Collide

Hollywood has produced plenty of unusual romances, but few are quite as awkward as actors dating while portraying siblings on screen. These relationships prove that what audiences see on television or in movies is often very different from what happens behind the scenes.
Feature Image Source: Shutterstock

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