Kaylee Anne DeFer is a former American actress. She was best known for her portrayals of Hillary Gold in The War at Home, and of Ivy Dickens in Gossip Girl.

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.