Don’t expect Tiny Harris‘ kids to be caught getting straddled by much older women if she’s got anything to say about it … because she says she wants them to date around their own age.

We caught up with the singer and mother-of-three in New York City Wednesday … and we asked her how she feels about Beyoncé‘s nephew Julez getting a ride from reality star Tommie Lee — who is two decades his senior.

Harris says it’s a better question for Solange — Julez’s mom — but she admits she’d want her own boys to date around their own age in Julez’s situation … an opinion she would certainly voice to them.

Tiny has three children with T.I. … two sons — 21-year-old King and 17-year-old Major — and one daughter, Heiress, who turns 10 Thursday.