Ariana was photographed smooching Australian ex-boyfriend Jai Brooks at the iHeartRadio Music Awards in Los Angeles on Thursday (1 May), prompting speculation they are back together.
Ariana split from Nathan in December 2013 following a brief romance – and it seems Nathan is perfectly fine with Ariana moving on. (Or back, as Jai is an ex.)
Tweeting today, he wrote: "I will always be happy for other people's happiness. In a way it's just nice to see them smile."
Nathan didn't allude to exactly what he meant but fans were quick to presume he was talking about Ariana and Jai. "More people should be like that," said one follower, while another said: "You have such a generous and giving heart. It's amazing."
Nathan, Ariana and Jai have a bit of a history together, as Jai - who is a member of YouTube comedy group The Janoskians - posted a lengthy Twitter rant in October 2013 accusing Ariana of cheating on him with Nathan. She denied this.
In Jai's original Twitter post, he made it clear how much he cared for Ariana, saying: "Nathan if you read this, when you hold her hand you better hold it tight because you are holding my world."
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