<P> Ivy later competes to become a bridesmaid for Blair in order to get the scoop on her wedding for Diana, where her final task is to secure a kiss from Nate . They later attend the launch party of Diana's revamped' Spectator' where they use each other to reach their own ends; Ivy to win Blair's bridesmaid spot and Nate to make Diana jealous, unknown to the other . Diana later confronts Ivy and threatens to reveal her secret, while Ivy is adamant that she had no idea that she was the one Nate wanted to make jealous . Diana later reveals to Nate and Ivy that they had been deceiving each other, leaving them angry at one another . </P> <P> Although Ivy has developed feelings for Nate, Diana has threatened her to stay away from him . This changes, however, when she finds out that Ivy's ex-boyfriend, Max, is in town looking for her and sets up an elaborate plot that very nearly causes her secret to be revealed . Max finds Gossip Girl's website, along with a picture of Ivy under' Charlie Rhodes' . He tracks Ivy down at the Van der Woodsen loft and Ivy is backed into a corner where she tells Lily and Max that her mother made her change her name to Ivy in order to avoid being used for her money . While discussing this later, Ivy offers Max money to leave town and start his restaurant in Portland, Oregon . When he finds out that Ivy is actually impersonating Charlie Rhodes, he blackmails Ivy into giving him more money than she had originally offered before deciding to stay in town . When Carol and CeCe return to town however, Carol tries to help Ivy out of her trouble with Max by getting CeCe to unlock the rest of Charlie's trust fund, which she does . After Ivy convinces Serena to drop her date with Max on Carol's advice, Max shows up to the party and attempts to out Charlie as Ivy to the rest of the Rhodes / Van der Woodsen family . It is Carol, however, that convinces the family that Max is lying, later telling Ivy that if the family found out what has happened to the real Charlie Rhodes, Ivy wouldn't be the only one out . Carol tells Ivy that she may now leave New York and start a new life with the wealth she now possesses . Ivy, however, tells her that she doesn't care about the wealth and luxury of being a part of the family, and that Carol can have the trust fund, since all she really wants is a family to call her own . </P> <P> Max continues to threaten Ivy, taking her story to Nate, who has already been warned by the Van der Woodsens . When this fails, Max takes his story to Nate's cousin Trip who is a congressman, on the eve of Charlie's debut into the Upper East Side society . When Max shows up at her party, Ivy sends a blast to Gossip Girl about Blair and Chuck being there as well, sending the paparazzi into the party as well . When Blair and Chuck get into a life - threatening car accident after being tailed by the paparazzi, Ivy confesses to Rufus that she is a fraud, but before he can respond, Lily arrives with news that Blair is awake and responding, but Chuck is not . Overwhelmed with guilt, Ivy calls Carol and asks her to help her leave the Upper East Side for good . </P> <P> A few weeks later, concerned by Charlie's long absence, Lily hires a private investigator to find her, but the private investigator instead finds the real Charlie Rhodes, who is attending school at Juilliard . When Lily and the "real Charlie" meet, they do not recognize each other and nor do they seem to be aware of each other's existence . </P>

When do they find out about charlie in gossip girl