Conversation so far:
What happened in 2010 to Christina Aguilera?
In 2019 Christina Aguilera began work on her sixth studio album during pregnancy, when she frequently listened to electronic music.
How did Christina Aguilera's sixth studio album in 2010 do?
Critical reaction toChristina Aguilera's Bionic was mixed

Question: What was negative about it?
Self-contained rewrite: What was negative about Christina Aguilera's sixth studio album Bionic?