Miley CyrusandCody Simpsonswore their devotion to one another as they celebrated their firstValentine’s Daytogether.

Making it clear that they only have eyes for one another, the happy couple uploaded photos of one another sporting a playful “reserved” sign on their foreheads.

“Everyday [sic] is Valentine’s Day in my life,” the Australian singer, 23, wrote on his Instagram Story over the weekend, alongside an adorable photo of Cyrus, 27, striking a pose. “I am reserved for you.”

“ValenMINE,” Cyrus wrote alongside her own solo shot of Simpson, after having previously reminded her followers to alsopractice self-love.

Cody Simpson/Instagram

Miley Cyrus

Miley Cyrus/Instagram

Cody Simpson

The two young singers, who were firstspotted getting cozylast October, have been inseparable ever since, and are always posting about each other on social media.

On Super Bowl Sunday, Cyrus rocked a black lingerie set while she gave Simpson a haircut, according to two photos shared on his Instagram. In the set of pictures, the Australian crooner posed shirtless next to Cyrus, who held up a pair of scissors as she snapped their mirror selfies.

Miley Cyrus and Cody Simpson

Since their split, both Cyrus and Hemsworth, 30, have moved on — Cyrus with Simpson and Hemsworth with new girlfriendGabriella Brooks— and the pair cited “irreconcilable differences” as the reason for their split.

A source previously told PEOPLE that the “Wrecking Ball” singer’s new relationship with Simpson was going “great,” adding, “They had a wonderfulChristmas day with her family. They are also talking about an Australia trip next year. Miley seems very happy.”

Cyrus and Simpson have been friends for years and Simpson even referred to Cyrus as his celebrity crush during an interview withFuseback in 2012.

“Miley Cyrus has always been my childhood celebrity crush,” he said. “I knew all the words to her songs, I’m not gonna lie. I’m not ashamed about it at all. I was a big Miley Cyrus fan and I think she will be forever the most dateable Disney star.”

source: people.com