Charlotte "Lola" Rhodes is a recurring character who exclusively appeared in the Gossip Girl television adaptation. Created by series producer Joshua Safran, Lola Rhodes is portrayed by actress Ella Rae Peck. The character of Charlotte "Charlie" Rhodes was initially introduced in the second half of season four, though this was later revealed to be Ivy Dickens, a struggling actress paid to impersonate her so that her mother, Carol Rhodes, could gain access to Lola's trust fund. Ella Rae Peck later appeared during the second half of the fifth season to portray the role. Lola is the cousin and biological half sister, technically three-quarter sister, of Serena van der Woodsen as a result of William van der Woodsen's affair with Lily Humphrey's sister, Carol Rhodes.

Ivy Dickens is a fictional character who exclusively appears in the Gossip Girl television adaptation, portrayed by Kaylee DeFer. She first appears in "The Kids Stay in the Picture," initially appearing as Serena's estranged cousin, Charlie Rhodes, whom Serena takes under her wing and introduces to the Upper East Side. The fourth season finale "The Wrong Goodbye," reveals her true identity as Ivy Dickens, a struggling actress and con artist hired by Carol Rhodes to pose as her daughter in order to gain access to the real Charlie Rhodes' trust fund.