Conversation so far:
What did Sarah Silverman do in 2007?
In June 2007, Sarah Silverman hosted the MTV Movie Awards.
How long did The Sarah Silverman Program air?
The Sarah Silverman Program aired from February 1, 2007 to April 15, 2010.
What did Sarah Silverman do after The Sarah Silverman Program ended?
Sarah Silverman became a part of the creative team that writes and produces the content for the YouTube comedy channel called Jash.
Did Sarah Silverman have a co-host on the 2007 MTV Movie Awards?
No.
Did Sarah Silverman do anything else in 2007?
In September 2007, Sarah Silverman appeared at the MTV Video Music Awards.

Question: How did Silverman mock Britney Spears?
Self-contained rewrite: How did Sarah Silverman mock Britney Spears?