Taylor Swift Calvin Harris
Taylor Swift wants to settle down soon with Calvin Harris Reuters

American singer/songwriter Taylor Swift and Scottish singer/DJ Calvin Harris are reportedly getting serious about their relationship. The Bad Blood singer and the Scottish DJ completed one year as a couple on 6 March 2016.

Swift and Harris had revealed how they celebrated their one-year anniversary on social media. She posted a photo of a heart shaped gold locket, engraved with the date of their anniversary, on Instagram. Swift captioned the image: "3.6.15 One year down! ❤️"

3.6.15 One year down! ❤️

A photo posted by Taylor Swift (@taylorswift) on

Harris posted a video on Snapchat, featuring Swift and their anniversary cake. He says in the clip: "One year cake! We got one year cake! One year..."

Following that, the couple went on a romantic beach holiday. According to a report in Heat magazine, the Red hitmaker wants to settle down soon with Harris. A source said: "Taylor and Calvin had the perfect holiday. They didn't argue once and it really cemented how in love they are. It's the most healthy and mature relationship Taylor has ever been in."

Taylor Swift + Adam Wiles

A photo posted by Taylor Swift (@taylorswift) on

"They've regularly talked about marriage and have even discussed having children. Everyone thinks it's only a matter of time before Calvin proposes," the insider added.

Meanwhile, during an interview with KISS FM UK, Harris opened up about his relationship with the Shake It Off singer. He said: "It's going absolutely fantastic. It's interesting, because obviously there's different things written about it every day and even if we don't do anything publicly for a while, someone will make something up."