"Outlander" stars Sam Heughan and Caitriona Balfe were all smiles as they took a selfie during a rugby match. Fans want to know where MacKenzie Mauzy is and what she has to say.

Sam Heughan shared a photo with Caitriona Balfe on Twitter. The "Outlander" stars were surrounded by a crowd of Stormers supporters wearing blue clothes. The 36-year-old actor captioned the photo with "Thank you @THESTORMERS What a result!!!!! And so good to meet "4Ball" @iamSivN @caitrionambalfe." Balfe was wearing a pair of red glasses and a sweet smile as she holds up her drink for the photo.

Sam Heughan and Caitriona Balfe play husband and wife in "Outlander" series. The couple has been rumored that they are secretly dating behind the camera. With the photo that Heughan posted on Twitter, some fans are asking what MacKenzie Mauzy has to say. As the Heughan and Balfe were just in Cape Town, South Africa filming for the Starz drama, as reported by ET Online, maybe Mauzy has nothing more to comment on these rumors.

Sam Heughan and Caitriona Balfe have already denied that they are seeing each other outside "Outlander" filming. "Honestly I'm tired of that conversation," Balfe said in an interview with Entertainment Weekly. She said that Claire and James Fraser are just fantasy. This is our job. We are very different in our private life. We are best friends."

Fans speculate that Sam Heughan and Caitriona Balfe are dating because of their chemistry on "Outlander." While it is true that they get along, they are only friends. "From the moment we met, we got along. Sam is one of the most generous people you'll ever meet. Such a great guy, no ego involved," the 37-year-old Irish beauty said.

What do you think of "Outlander" stars Sam Heughan and Caitriona Balfe's photo? Tell us what you think. Stay tuned to Enstars for the latest news and update of your favorite celebrities.

Tags: Sam Heughan Caitriona Balfe Outlander mackenzie mauzy