Check out the official video for Heather Morris' performance of Britney Spears' “Hold It Against Me” on Glee season 4 episode 2 titled “Britney 2.0.″
On this episode, Brittany is depressed, and turns to her namesake Britney Spears for inspiration. She performs “Hold It Against Me” with the cheerios on the field.
The routine is fast and very energetic.
Watch it here: