WATCH: Alex's new song for Toni's baby

 

A video posted by Alex Gonzaga (@cathygonzaga) on Jul 28, 2016 at 3:03am PDT

MANILA -- Alex Gonzaga will definitely be a cool tita. 

On Monday, the TV host-actress entertained her Instagram followers with her version of Tom Jones' "Sex Bomb," which she retitled "Tesbun." 

The 28-year-old sang to her pregnant sister Toni Gonzaga, who is now on her ninth month of pregnancy. 

 

A video posted by Alex Gonzaga (@cathygonzaga) on Sep 12, 2016 at 4:36am PDT

Last June, the younger Gonzaga also sang the viral hit "Tatlong Bibe" to her upcoming nephew, drawing over 600,000 views on Instagram alone. 

(WATCH: Alex sings 'Tatlong Bibe' to Toni's baby bump)