perform as follow: Guys join the girls for a partner dance challenge which Mariela wins. At the final performance Chelsea's group is deemed the best, despite having a weak rehearsal. The ever-struggling Sisely and Melissa S, who has trouble showing her "inner doll" are in the bottom two. Sisely is then eliminated as it becomes evident that her uniqueness is a weakness. Episode 5: Vegas, Baby The girls are taken to Vegas where they perform "Tainted Love" after learning the routine on their moving tour bus. At the Challenge performance, Anastacia felt uncomfortable in her dress, Chelsea gave strongest vocal performance, Mariela and Melissa S. had the loudest cheers. After the public votes were tallied, Melissa S. is crowned winner. Asia rubs some girls the wrong way after deeming the fancy food they are given disgusting and asking for a hamburger instead of cuisine while Anastacia continues to struggle with her weight. The girls are then given the following song assignments, making both Mariela and Anastasia worried, Mariela because she is paired up with the best vocalist in the top 6 and Anastasia because her teammate has immunity. At the final performance, Melissa R. is criticized for crying on stage but is safe due to being in the best duo. Mariela and Chelsea land in the bottom two due to their shortcomings in singing and dancing respectively. In the end, a teary eyed Robin eliminates Mariela. Episode 6: Dancin' with the Dolls Chelsea expresses her feelings on Mariela's elimination saying that she felt she took away Mariela's dream and did not want her to go home. Anastacia feels her biggest indirect competition was gone. The girls are given a Wait a Minute routine to learn where Chelsea and Anastacia struggle. Robin then tells them that only 4 girl will perform it on stage with the Dolls to get immunity, however she makes the last minute decision to cut both Anastacia and Chelsea out of the performance and they stay on the bus. At the performance, Melissa R. gains immunity despite almost getting too soon on stage. As they come back, the ongoing tension between Melissa S. and Chelsea reach their highest point as Melissa uses Chelsea's name as a synonym for bad dancer. Melissa R. breaks down because she struggles with her identity and sheltered past but is comforted by Melissa S. This week the girls perform a medley as