They celebrate their girl power to — what else? -- a mash-up of iCarly's "Leave It All to Me" and Victorious' "Make It Shine." The casts of both shows are involved in the number, and two weeks ...

‘Leave It All to Shine,' which is actually a mix of the two shows' theme songs. Both casts will take the stage during the 'iParty with Victorious' episode to give a huge ensemble performance of ...