Sam Heughan and Caitriona Balfe have been fighting off dating rumours for a long time now despite noting multiple times that they are just friends. Reports of the “Outlander” season 3 actor dating Mackenzie Mauzy have also spread like wildfire, making people think that a love triangle may be happening. So who did Sam choose to be his real-life partner?

Sam Heughan and Caitriona Balfe’s undeniable chemistry in “Outlander” made people believe that the co-stars may have already taken their on-screen romance off-screen. Despite these allegations, the duo just went on with their lives as individuals, with the actor eventually being romantically linked with another actress, Mackenzie Mauzy.

Sam reveals real love in birthday photo

Although he did not officially confirm or deny his relationship status with the “Into The Woods” actress, it is quite clear that the duo are definitely more than just friends. The pair seemingly cleared all the rumors up during the “Outlander” season 3 actor’s birthday celebration by posing sweetly together in a group shot.

To finally put an end to all the romance rumors and love triangle issues, Caitriona Balfe was actually present in the photo! As a matter of fact, the 37-year-old Irish actress and model was the one who posted the snap on social media, proving that there is definitely no bad blood between her and Sam Heughan's real-life love, Mackenzie Mauzy.

“Belated birthday celebrations for @SamHeughan ... Here's to an amazing year !!!” Caitriona Balfe captioned the photo, with Sam Heughan, Mackenzie Mauzy, and friends.

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Sam protects Mackenzie from bashers

Meanwhile, the “Outlander” fans and Sam-Caitriona shippers did not initially like the idea of the “Outlander” actor being linked with another woman, so they took their frustration out on Mackenzie Mauzy. Many were clearly unhappy after realizing that Sam Heughan has a real-life girlfriend which led them to attack the 28-year-old actress online.

Although the shipping of Sam Heughan and Caitriona Balfe was sweet and harmless at first, it did get to the point of cyber-bullying. The “Outlander” season 3 actor has had enough of the nonsense and finally took to social media to address the issue and to end all the harassment thrown at his girlfriend.

“Shameful behaviour by many on social media recently,” Sam Heughan tweeted at the time. “It's disgusting and needs to stop. Spineless bullying. Stop. Now.”