Taylor Swift and Tom Hiddleston clearly don't care about Calvin Harris' 'cheating track', after he beat the star to the bunch to write a breakup song.

The pair have really clocked up the air miles since getting together, jetting to the likes of Nashville, Rome, and Britain, and now they've been snapped Down Under looking rather loved-up.

After Taylor's OTT Fourth of July celebrations in Rhode Island, they headed to Australia as Tom gets back to work on his movie, Thor 3.

The 26-year-old singer stunned in a black and white gingham dress and white flats as she linked arms with her new man at Sydney International Airport on Thursday.

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Tom looked a bit sleepy as he strolled past paps in a white tshirt, dark jacket and jeans, with a pair of shades hanging from his top.

Obviously hedoesn't want to be away from his new lady as they continue their whirlwind romance, so she's joining him on set.

According to E! News, production on Thor: Ragnarok began at Village Roadshow Studios in Queensland onJuly 3.

The actor's co-star Chris Hemsworth recently shared a video on Instargam from the set as the cast prepare to start shooting again.

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Meanwhile, Calvin's new track 'Ole' reportedly refers to Taylor Swift cheating on him.

It is believed that Taylor started dating Tom, 35, after breaking up with Calvin, 32, but his new song, written from the point of view of the other man, appears to hint at a cheating woman.

According to TMZ, lyrics include: "I see online that you begun to be a good girl and take trips with your boyfriend. Being attentive, continue to pretend ...

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"You've hidden my name in your phone so you can call me to tell me you've been going through hell. Left him alone and you booked in a hotel."

Calvin released the song - which features John Newman - on Friday and the pair filmed the music video in Mexico last week.

Taylor and Tom first met at the Met Gala in New York in May before she and Calvin confirmed the end of their 15-month romance in June.

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After the break-up was revealed, Calvin took to Twitter to insist the split was amicable.

He wrote: "The only truth here is that a relationship came to an end & what remains is a huge amount of love and respect (sic)."

However, after her romance with Tom was revealed, Calvin deleted all pictures of Taylor from his social media accounts.