United Kingdom, March 21 -- Selena Gomez almost missed Benny Blanco's proposal because she was "grumpy".

The 32-year-old singer admitted it came as a complete surprise when her partner popped the question late last year and she was so unaware of his plans, she "almost didn't even come".

Speaking on 'The Tonight Show Starring Jimmy Fallon', Selena said: "We had to do a lot of promo for the album. So I woke up, and I was very confused on what was happening, on where we were going, because it seemed kind of far.

"So, I'm kind of a little grumpy. I'm, like, tired... I said, 'After this shoot, I'm going to go hang out with my friends.' And he starts, I guess, going, 'Okay, sure. We'll see when you get here.' "

Benny added: "She almost didn...