Sam Heughan, Caitriona Balfe News: Pair Acts Like A Couple On 'Outlander' Season 3 Set?

Sam Heughan and Catriona Balfe have been romantically linked to each other. The pair continues to deny it but new reports suggest that they have been acting like a couple on the set of "Outlander" Season 3. In fact, they exchange conversations on Twitter.

"Heard on set: Zzz zzz......"FRASIER"!......zzz zzz z," Sam Heughan wrote on Twitter. "@SamHeughan I'll see your Zzzzz and raise you ZZZZzzzzzzzzzzzzzzzzz," Catriona Balfe responded on her rumored boyfriend's post.

Fans quickly speculate that Sam Heughan and Catriona Balfe's lack of sleep on the set of "Outlander" Season 3 is an indication that they spend long nights together while filming their hit show on Starz. Some insiders added that the rumored couple is being flirty on the set, Korea Portal reported.

"Sam and Caitriona were taking a short break between scenes when I saw them off to the side, holding hands and Sam was even whispering in her ear," one insider told Celeb Dirty Laundry about the "Outlander" couple. The informant added that the pair looked like an ordinary couple. They always laugh together on whatever they are talking about.

This is not the first time that Caitriona Balfe and Sam Heughan appeared sweet on the set of "Outlander." The pair was previously seen laughing and joking between takes when they filmed the delicate scenes of Jamie Fraser and Claire Randall sharing a passionate kiss. They seemed to be enjoying what they do, Daily Mail reported.

Sam Heughan and Caitriona Balfe are rumored to be an item. Their chemistry on screen is so convincing that "Outlander" fans are hoping the pair will be together in real life too. However, despite the continuous reports about their alleged romance the two celebrities never confirmed it.

Sam Heughan is currently dating MacKenzie Mauzy. Meanwhile, Caitriona Balfe is reportedly dating Tony McGill. However, many believe that the "Outlander" Season 3 stars have a secret affair.

Do you believe that Sam Heughan and Caitriona Balfe have an affair? Share your comment about their alleged romance below.