Cher is opening up about being 40 years older than her boyfriend, music producer Alexander “A.E.” Edwards.

The 77-year-old superstar says that she is so happy in her relationship, but the age difference is noticed at times.

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“I hate to talk about how happy I am, but no, we have a great time together. We can talk music. We can talk about everything. He’s a got a great sense of humor, he’s got the cutest son in the world, ever… We just get each other,” Cher told Extra.

Cher described Alexander as being “reserved” and “more obviously shy” than her.

“Sometimes I’m talking to him and he has no idea who I’m talking about,” Cher said about the age difference. “The other day, I said, ‘Do you know who, I don’t know, Clark Gable, [is]?’ Somebody said, ‘Yes, of course,’ but most of my references… He’ll look at me and go, ‘I wasn’t born yet.’”

Cher recently revealed if she will ever marry Alexander.