Amanda Seyfried (Karen Smith): Amanda is one member of the plastics who's seen some BIG success. Gurlfriend's starred in Mama Mia, Big Love, Dear John, Jennifer's Body, Les Miserables, and Lovelace. And when she's not on set she's walking her pup Finn with her hot BF Justin Long. YUP. She's come a lonnggg way since telling us whether or not it's raining with her boobies! HA!