02/01/2016 03:55 EST | Updated 02/01/2016 03:59 EST

Mariah Carey Engaged: Singer's Twins Have No Idea About Engagement To James Packer

Mariah Carey couldn’t be more thrilled to tell people she’s engaged to billionaire boyfriend James Packer. But there are two little ones who have no idea that the couple is getting married.

That’s right – the Grammy winner hasn’t told her twins, 4-year-old Monroe and Moroccan, the exciting news. Watch the video above to find out why!

A photo posted by Mariah Carey (@mariahcarey) on

Packer, who is estimated to be the fourth-richest person in Australia, proposed to Carey on Jan. 21 in New York City. The two have been dating for just under a year.

“If everything works out, [the wedding] will be somewhat soon,” the 45-year-old told E! News, later adding, “I don't mean if everything works out in that way, I mean there's a lot that goes into it.”

This will be Carey’s third marriage. The singer was previously married to music exec Tommy Mottola and "America's Got Talent" host Nick Cannon, whom she had her twins with.

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