Selena Gomez admitted she got a rash after kissing her fiancé Benny Blanco for the first time

When Selena Gomez and her fiancé Benny Blanco kissed for the first time she got a 'rash', and the singer has explained why.

The couple recently appeared on Table Manners with Jessie and Lennie Ware, where they chatted about the kiss that started it all.

Gomez and Blanco last year announced their engagement, and in the podcast episode released today (30 April) they spoke about where it all began, and how the Only Murders in the Building star got a 'rash' after the first kiss.

Blanco explained: "We were hanging on our second date, towards the end of the date, we were sitting in the living room, on the couch and we were playing 'We're Not Really Strangers'.

"And there was a thing where it said, 'Take a selfie with the person next to you', and we were already kind of lounging and she got right on my chest and took a selfie and then right after I just looked at her and I said, 'I got to kiss this girl'.

The singer said she 'hadn’t liked anyone in a very long time' when she kissed Blanco for the first time (XNY/Star Max/GC Images)

"And I kissed her right away."

According to Gomez 'it was a very good kiss', but it produced such a reaction in the singer that she got her 'rash'.

Blanco said that 'her heart started beating quickly, she started getting a rash on her face and she was so nervous'.

Sharing why she'd reacted like that, Gomez explained that she 'hadn't liked anyone in a very long time'.

"Some kisses are for fun and then when you feel something behind the kiss it’s completely different," she said of matters of the heart.

"I had been alone for about five years with the exception of a few s****y dates here and there, but never felt that way.

They announced their engagement late last year (John Shearer/97th Oscars/The Academy via Getty Images)

"And I was a little embarrassed, but he was like, 'Are you okay?' And I was like, 'No, no, I’m fine'. I didn’t want to be like, 'I like you, I really like you'."

Given that they're set to tie the knot it seems clear that she does like him, she really likes him.

Elsewhere in their relationship, for Valentine's Day, Blanco filled her bath full of nacho cheese and left a trail of nachos leading up to it and a loving message spelled out by the crispy snacks.

They recently raised a few eyebrows among fans for some saucy items spotted in the back of social media snaps, as though people ought to be surprised that a young couple have a healthy sex life.