Carly is dating a boy named Steven Carson , who divides his time between his divorced parents in Seatle and Los Angeles. Every other month, Steven goes to Los Angeles, where he is dating another girl named Tori Vega , who attends Hollywood Arts, a high school for the performing arts. Robbie Shapiro, awkward friend of Tori's, posts a picture of Steven and Tori online, which Carly's friend accidentally sees it. She denies the fact that Steven is cheating on her, but Sam tries to prove it is. She finds Rex, Robbie's ventriloquist dummy, has tweeted about a party held at Kenan Thompson's house, in Hollywood. So Spencer drives the group to Los Angeles, where Carly, Sam, Freddie , Gibby, and Spencer visit Spencer's ex-girlfriend, who is skilled make-up artist, and receive  makeovers to avoid being noticed from iCarly by others. Then they go to the party, where Andre Harris, another friend of Tori's, is hosting a party. Carly  catches Steven and watches him kiss Tori, The iCarly members remove their disguises, and Tori walks in and immediately recognizes them from iCarly. After knowing that Steven has cheat on both of them, Carly and Tori make a plan to revenge. Steven is  suppose to be in the closet where he thinks he will kiss Tori for 100th day. Instead, when he enters the closet, he finds himself on an iCarly webcast with Carly, Sam, Kenan, and Tori, who reveal to iCarly's one million audience members Steven had been dating both Carly and Tori at the same time. Steven becomes embarrassed and leaves. Then Sam beats Rex in a rap battle. Later, the iCarly joins Tori and her friends in karaoke, where they sing Leave it all shine