"Outlander" Season 3 fans are still hoping that Sam Heughan and Caitriona Balfe would suddenly fall in love with each other in real life. New reports are making the rounds that they are sending sweet messages to each other secretly.

According to a recent report from Celebeat, fans of Sam Heughan and Caitriona Balfe are still trying to push the "Outlander" Season 3 co-stars towards each other. Despite the on-screen couple's denial, many viewers still think they are dating off-screen.

Caitriona Balfe and Sam Heughan exchanging romantic messages

The outlet stated that Sam Heughan and Caitriona Balfe continue to tweet messages to each other about possible "Outlander" Season 3 spoilers.

Balfe and Heughan recently tweeted to each other about a funny event during the filming of their hit TV series.

"Heard on set: Zzz zzz......"FRASIER"!......zzz zzz z," the "First Light" star tweeted which made Balfe confirm that she was his post's subject.

Balfe immediately responded and wrote, "I'll see your Zzzzz and raise you ZZZZzzzzzzzzzzzzzzzzz."

Balfe and Heughan had been using "zZzzz" in their tweets, which made the fans wonder if they are trying to hide secret meanings behind the letters. Although their messages to each other do seem harmless and innocent, many of their followers still believe that something is going on between them. But, no matter what they post online, their followers seem to love that they have time to enjoy each other's company even after a long filming day.

The rumored couple even shares a lot of pictures which were taken at the places they visited together. Perhaps, this is the reason why fans continue to believe that they have a secret relationship?

Heughan and Balfe reportedly dating off-screen

On the other side of the story, another report from the same publication claimed that Balfe and Heughan may have already taken their relationship to the next level.

The report stated that the co-stars of "Outlander" were caught flirting.

According to the report, the two were taking a break from their shooting when an insider saw them holding each other's hands. Heughan was reportedly seen whispering something in her ear which is believed to have made Balfe laugh. The onlooker stated that they seemed like a real couple.

The "Outlander" Season 3 stars, Sam Heughan and Caitriona Balfe have always stated that they are just friends and that they are not dating at all. However, some people still believe that there is something going on between the two.