Gomez and producer Blanco collaborated on the songs I Can’t Get Enough in 2019 and Single Soon in 2023 before announcing their relationship.
Blanco, who has also worked with the likes of Rihanna, Calvin Harris and Justin Bieber, gushed about his love on The Drew Barrymore Show back in May.
“She’s like the best, most genuine person,” he said on the chat show.
“Everything is completely real. Every day when I wake up, I sort of pass by the mirror as I walk towards her and ask myself, “How did I get here”…
“She’s one of the sweetest, one of the most charming, one of the most humble people I’ve ever met.”
Come & Get It singer Gomez was previously in a high-profile relationship with fellow singer Justin Bieber.
The Texas-born star rose to fame as a child actress on Barney and the Disney Channel before building a career as a singer and actor.
This year she entered the list of rich billionaireshas amassed a fortune of $1.3 billion (£1 billion), according to Bloomberg, largely thanks to her make-up company Rare Beauty.