It's been nearly 15 years since R&B singers Brandy and Monica dominated the charts with their first hit duet, "The Boy Is Mine" in 1998. The two have since stayed in touch, had babies, marriages -- and still remained pals. The two are back with another hot duet entitled, "It All Belongs To Me." Check out their keep it 100 chemistry behind the scenes!

Do you like this song? Are you happy to see Brandy and Monica working together again?

Click HERE to see them perform "It All Belongs To Me" on the Tonight Show with Jay Leno!

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