Conversation so far:
What did Christina Aguilera do after 2012?
Upon the third season of The Voice in September 2012, Christina Aguilera released Your Body as the lead single from her seventh studio album Lotus.
How many copies did the album Lotus by Christina Aguilera sell?
Lotus by Christina Aguilera peaked at number seven on the Billboard 200 and has sold 303,000 copies in the US as of 2019.
Did Lotus by Christina Aguilera have any hit songs?
The single Your Body from Christina Aguilera's Lotus charted on the Billboard Hot 100 at number 34.
Did Christina Aguilera go on any tours at the time with Lotus?
Did Christina Aguilera have any children?
Christina Aguilera has two children, Max Liron and Summer Rain Rutler.

Question: Who is the father of Summer?
Self-contained rewrite: Who is the father of Summer Rain Rutler?