[She's in the middle of happily accepting Cadence's hug, butting her big sister under the chin gently, when she hears Spike's anguished question.]

Replaced... what? No, Spike, no! Absolutely not!

[She pulls away from Cadence and rushes over to grab him in her arms.]

I named him after you because I missed you, and with the way this world works... I wasn't sure if I'd even see you again while I was here.