August 2020: In honour of Dalton's birthday, Ariana shared a series of cute photos and videos on her Instagram. "hbd to my baby my best friend my fav part of all the days :)" she wrote. "i love u." December 2020: Ariana announced her engagement to Dalton with a gallery of her stunning engagement ring and cuddly photos of them together. "Forever n then some," she captioned it. A few days later, they celebrated their first Christmas together.