United Kingdom, Dec. 2 -- Rihanna is loving seeing her children grow up.

The Diamonds hitmaker and her partner A$AP Rocky welcomed daughter Rocki into the world in September, having already had sons RZA, three, and Riot, two, together, and the 37-year-old singer is loving life as a mother-of-three.

She told Extra: "The babies are amazing. They're all getting bigger and I cannot take it. My sons - oh, my God! - their faces are changing. Their necks are getting longer. I love it."

Rocky, also 37, admitted their kids are as "cute as ever", while he revealed their two boys are "getting along" better than he expected.

He said: "I'm surprised that the older two getting along as much as they are, you know? Usually, you know, for them to be s...