I believe you are thinking of Lynne Randell, an Australian singer who was very popular for a brief time in the mid-1960s, and even went on tour with the Monkees. "Ciao Baby" was a hit for her in 1967.
the casuals
Brothers Four-1960
Canadian pop vocalist Sarina Paris sang Baby Look at Us.
The Trammps sang Burn Baby Burn in 1976.
Mary Hopkin (sang Those Were The Days in the 1960s)
Edie - Ciao Baby - was created in 1989-06.
sounds like a grass roots song.
Ciao Baby - 2013 TV was released on: USA: 5 June 2013
The cast of Ciao Baby - 2013 includes: Pat Gentile as himself Pasquale Gentile as Uncle Pat
the casuals
The Bachelors
Ciao bel bambino, meaning 'Hello Beautiful Baby'
Brothers Four-1960
He sang "Baby" .
"Hello, my beautiful baby!" in English is Ciao, mia bella bambina! in Italian.
Canadian pop vocalist Sarina Paris sang Baby Look at Us.
Voodoo Child - Rogue Traders