Conversation so far:
What is Battlefield?
Her second studio album.
What were the singles?
"S.O.S.
(Let the Music Play)".
Are there any others?
The third single from Battlefield, "Don't Let It Go to Your Head".
Was this album successful?
In the United States, Battlefield debuted at number seven on the Billboard 200.
Was there a tour?
In May 2010, Sparks embarked on her first headlining tour in the United States.
Did she tour with anyone else?
Sparks opened for The Jonas Brothers on the North America leg of the Jonas Brothers World Tour 2009.
Any other tours?
She also opened for Britney Spears on the second leg of her Circus Tour in North America.
What else did she do during this time?
Sparks served as a replacement for Ciara.
She opened with Kristinia DeBarge, Girlicious, and One Call.

Question: What was she doing in 2010?
Self-contained rewrite: What was Jordin Sparks doing in 2010?