<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> <P> Ivy returns briefly, looking for Lily . She finds Rufus instead, but is told where Lily can be found . Georgina discovers that Ivy is back and blackmails her into attending Nate's party . While at Nate's party, Ivy runs into the real Charlie Rhodes, who goes by the alias' Lola' and it is revealed that they took the same acting class where they grew up in Florida . Ivy attempts to leave again, but is spotted by Nate, still not knowing the truth about either of them . Nate makes a comment to Charlie about Ivy leading Charlie to get suspicious . When Ivy can finally leave, it is revealed that she has been visiting CeCe the whole time she was away . </P> <P> CeCe's condition worsens and Ivy is forced to take her to the hospital, where she has a run in with the Van der Woodsens and Carol . When Charlie arrives, Ivy and Carol finally tell the truth about Carol's scheme and Ivy's role in it . Ivy is turned away by the Van der Woodsens . Following this, Ivy turns to Georgina and the two later crash CeCe's wake, during which, through the reading of CeCe's will, Ivy is left everything under her legal name instead of her alias Charlie Rhodes, revealing that CeCe knew about the fact that Ivy isn't her real granddaughter . After this revelation, Ivy kicks Lily and Rufus out of the apartment as it had been paid for by CeCe and was now hers . Ivy throws a party to commemorate the Celia Rhodes Foundation and to gain acceptance in the Upper East Side . She believes she has found an ally in William van der Woodsen after he agrees to persuade people to attend the party in exchange for money, however, it is later revealed he is working with Lily to gather evidence against Ivy to take her to court and contest CeCe's will . </P> <P> After a courtroom hearing, Ivy loses all of her inheritance after Lily bribes CeCe's nurse to testify against Ivy so she can re-claim Ivy's share of the inheritance . Rufus takes pity on Ivy being without a home and family, and pays for her stay at a hotel . Lily finds this out later on and they fight, and Rufus returns to Brooklyn . Ivy later visits Lily and tries to seek her acceptance, confessing that she really wanted to be part of her family . Lily rejects her but offers her a cheque of 1 million dollars, asking her to leave and never return . Ivy leaves the apartment and tears up the cheque, revealing her confession was genuine . Later, Lily has Carol Rhodes arrested and charged with fraud in order to acquire her share of CeCe's estate for herself . After William van der Woodsen takes pity on Charlie' Lola' Rhodes, he gives her Carol's share of CeCe's wealth so she can live on . </P>

When do the rhodes find out about ivy
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