Jessie J's boyfriend has turned her into a "cheeseball".

The 26-year-old Brit star is in a relationship with Luke James and has openly gushed about her beau.

Now she's taken to Instagram to post a collage of four wintery snaps of the pair. In them Jessie is wearing a fluffy black coat while Luke is dressed in a smart camel cover-up. One picture shows them kissing, while in others they are sticking their tongue out, smiling and leaning on one another.

"I had a lovely day today walking around Chicago with this man. Nothing like love to keep you warm. Cheeeeeesssseeeeball! Lol (sic)," she captioned the cute collage.

Jessie isn't shy of speaking about Luke and is happy to answer questions about their relationship in interviews. While other celebrities might try and keep their love lives on the down low, Jessie felt she had to speak out.

“I think all of us women can agree, you go through so many different types of love growing up,” Jessie said in an episode of show The Real. “I feel like at this time in my life, I’m nearly 27, I’m a grown woman and I’m famous.

“I have to deal with that. So I felt like going public, it was like, I love him so why hide it or try and make it a secret.”

The star has dated girls and boys in the past and previously claimed she was bisexual. However, she backtracked earlier this year, saying it was just a "phase" and that she now exclusively feels attracted to men.