Could it be true that "Fifty Shades Darker" stars Jamie Dornan and Dakota Johnson are getting sweeter on the set?

Following the birthday surprise the 26-year-old actress prepared for her 34-year-old leading man, rumors trying to link them romantically appeared to be getting louder.

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It can be recalled that on the first day of this month, the actor, who portrays Christian Grey, the lead role in the highly-anticipated film, celebrated his birthday. With that, his leading lady, who is Anastasia "Ana" Steele in the project, filled his van with colorful balloons to greet him.

"Happy early birthday @jamiedornan," the former "Need for Speed" star captioned the photo she shared on Instagram.

How sweet is that?

Meanwhile, the Morning Ledger reported that the on-screen couple has been filming sweet moments for "Fifty Shades Darker."

It was even revealed that "lots of holding hands, canoodling, and kissing as they tape the sweeter moments between the dysfunctional fictional couple."

Would these scenes probably affect the actor's relationship with his wife Amelia Warner, who just gave birth to their second child?

Amid the sweetness that has become more apparent in the most recent shots that have been shared on the internet, the report pointed out that this is actually a good way to counter the negative publicity before saying that Jamie Dornan and Dakota Johnson have already lost their chemistry on "Fifty Shades Darker."

In the meantime, Cross Map featured some Instagram snaps of Marcia Gay Harden, the adoptive mom of Christian, Grace Trevelyan Grey.

"@jamiedornan I know you hate selfies, but my kids (and my nanny, and my assistant, and my neighbors) begged me for one. #CoolestMomEver #FiftyShades - @mgh_8," she wrote about the photo of them together.

Do you think there is enough basis to rumors linking the "Fifty Shades Darker" lead stars?

TagsFifty Shades Darker News, Fifty Shades Darker, Jamie Dornan, Dakota Johnson, fifty shades darker movie