When one fan wrote, "I hope he knows he is marrying US AS WELL", Grande replied, "HAHAHAHAHAHH HE'S BEEN BRIEFED".
People confirmed the surprising news on Monday, with a source explaining that the whirlwind romance between the 24-year-old stars has officially blossomed into permanence. "It's nothing they've been hiding", a source told People magazine.
Rafael Nadal ready for 'tough final' against Dominic Thiem on Sunday
The pivotal part of the match was the second-set tiebreaker in which both men played superbly - and both had chances to end it. The boys' final at the French Open will pit top-seeded Sebastien Baez of Argentina against Chun Hsin Tseng from Taiwan.
"Tell them how I'm defying gravity", Ariana tweeted, but soon after deleted.
"For both of them, this relationship is heaven compared to their past relationships and they're just clinging to that heaven and thrilled about it".
Ariana recently spoke about her recently-ended relationship with Mac Miller, calling it "toxic". He joined the long-running sketch show in 2014.