"But I did though", Pete replied, ending weeks of speculation around the couple's whirlwind romance.
Grande, who released a new song from her upcoming album Sweetener on Wednesday, was seen sporting a large diamond ring during a performance in Los Angeles on 2 June.
When Fallon congratulated him and shook his hand, Pete said he felt like he'd won a contest. "It's so amusing when you're walking down the street, and dudes, they're like." he said, as he tipped his hat.
The Saturday Night Live cast member confirmed their rumored engagement to Jimmy Fallon on NBC's Tonight Show. It's so sick. It's f*cking lit, Jimmy. Like the album's first single, "No Tears Left To Cry", Grande is singing through her grief of the Manchester bombing to find some sweetness.
Pekerman Prepared To Make Changes In Colombia Squad
The team also hopes to get more scoring opportunities from Liverpool forward Sadio Mane . Sunday's match will be the first competitive meeting between the two countries.
Ariana recently admitted she feels life is "too short to be cryptic" about her love life.
'No, we wanna know what you're wearing, ' Jimmy deadpanned. You may have heard another part of that clip before, in N.E.R.D.'s "Lemon". "/Can't let a f-boy eff up my nice vibes/ Yo Ariana, come let me give you a high five".
His Instagram has also since become a Good Time fan account with a couple posts featuring Robert Pattinson's character: including a photo of the shirt he wore on the show which seems to be a still from the film.
She also admitted she had been suffering from post-traumatic stress disorder since the terror attack on her concert in Manchester previous year, which killed 22 people.