Guest Stars Sebastian Stan as Carter Baizen Hilary Duff as Olivia Burke Gina Torres as Gabriela Abrams Shane McRae as PJ Buckley Neal Bledsoe as Josh Ellis Co Starring Benita Robledo as Amalia Sonya Harum as Sophie Samantha Logan as Little Girl #2 Peyton List as Little Girl #1 Chip Brookes as Aide Uncredited Kristen Bell voices Gossip Girl