Victorious (Nickelodeon):
* "Take A Hint": Co-written with Michael Corcoran, Matthew Gerrard, and Dan Schneider.
* "Give It Up": Co-written with Michael Corcoran, Matthew Gerrard, and Dan Schneider.
* "You Don't Know Me": Co-written with Michael Corcoran, Matthew Gerrard, and Dan Schneider.
* "Make It Shine": Co-written with Michael Corcoran, Matthew Gerrard, and Dan Schneider.
* "The Worst Part": Co-written with Michael Corcoran, Matthew Gerrard, and Dan Schneider.
* "Freak the Freak Out": Co-written with Michael Corcoran, Matthew Gerrard, and Dan Schneider.
White Collar (USA Network):
* "The Only One": Co-written with John Shanks and Matt Bronleewe.
* "The Real Me": Co-written with John Shanks and Matt Bronleewe.
Dynasty (The CW):
* "Don't Let Go": Co-written with Michael Corcoran, Matthew Gerrard, and Josh Stone.
Other Notable Songs:
* "Don't You Want Me": Co-written with Matthew Gerrard, Michael Corcoran, and Dan Schneider for the movie "The Troop".
* "All My Friends": Co-written with Michael Corcoran, Matthew Gerrard, and Dan Schneider for the movie "The Troop".
* "Finally Free": Co-written with Michael Corcoran, Matthew Gerrard, and Dan Schneider for the movie "The Troop".
It's important to note that Liz Gillies has not released any solo albums or singles, and her writing credits are mostly for songs within her acting projects.