Over time, she became a fashionista, changing her name to Kate Howard.
Reuniting as adults, Sonny proposed and swore he would leave the mafia for her.
However, on their wedding day, one of Sonny’s enemies shot Kate, but she survived.

With this revelation, Sonny and Kate knew their relationship wouldn’t work, so she left Port Charles.
Kate later returned to town, buying half of the Metro Court Hotel.
She also had several periods of inexplicable lost time.

Ewen theorized that Kate possibly had Dissociative Identity Disorder (DID), and they began therapy.
Under hypnosis, an alter ego emerged, going by the name of Connie.
She claimed her purpose was to break up Sonny and Kate because he constantly put her in danger.

Eventually, Kate re-emerged.
She went to the hospital, where the old memories explaining her personality split resurfaced.
In retaliation,Sonny killed AJ.