Tess Boyer sings for the instant save last week on The Voice.
Tess Boyer sings for the instant save last week on The Voice. (NBC Photo)

Christina Grimmie and Sisaundra Lewis are still ranked one-two entering the second week of finals on The Voice.

But several contestants move up in those rankings after impressive opening-week performances, including Jake Worthington, Josh Kaufman and Kristen Merlin.

Meanwhile, when the Top 10 take the stage Monday night, Tess Boyer will attempt to become the first instant-save recipient to survive the following week.

For a complete look at this week's rankings for The Voice, head here.