<p><strong>Remind me</strong>: Georgina Sparks, an old frenemy of Serena who gets into more trouble than the rest of the characters put together. </p><p><strong>What she's done since:</strong> After playing Anna in 2015's Guidance, Michelle landed roles in 2018's Robot Chicken (ahem) and as the voice of Judy Reilly in Facebook Watch's Human Kind Of.</p>