Vitellia

[Sesto is on his way to carry out the plot, whereupon Vitellia learns that Tito has now chosen her to be his consort.]

Vitellia:

I am coming!  Wait!  Sesto!
Alas! Sesto! Has he gone?
Oh my fatal scorn!
Oh my insane fury!
What anxiety!  what torment!
Oh God!  I freeze with horror.