United Kingdom, Aug. 13 -- Ariana Grande has taken the next step in her rekindled romance with Ricky Alvarez by making it Instagram official.

The 33-year-old singer was rumoured to be giving her relationship with Ricky another try after they were photographed walking arm in arm - with the romantic display coming just weeks after Ariana split from Wicked co-star Ethan Slater after three years together.

Now Ariana has confirmed the budding romance in the most millennial way possible - on her Instagram.

The Petal star took to the social media site to share a photo dump from recent weeks, with two of the snaps including Ricky.

One was a mirror selfie of the couple, with Ricky's arm around Ariana's shoulders, while another was a blurry sna...