The Carter sisters are doing it for themselves… with the help of Mama Beyonce.

Sibling rivalry often makes for great pop dynasties.MichaelandJanet.BeyonceandSolange.

A record previously held by Blue herself.

Rumi Carter and Blue Ivy Carter

Rumi Carter and Blue Ivy Carter.Kevin Mazur/Getty; Kevin Winter/Getty

76 on the Hot 100 when Blue was just 7 years old.

The overachiever was also credited with contributing lyrics and vocals to the track.

Kevin Mazur/Getty; Kevin Winter/Getty

“Protector” debuted this week at No.

(“It’s Hard to Be a Baby”) peaked at No.

But the Sisters Carter better watch their backs, ‘cause Hazel Monet is coming for them.