Brittany Susan Pierce is a senior at McKinley High School. She's a part of the Cheerios and New Directions. She's openly bisexual and is dating her best friend Santana Lopez

Brittany joined New Directions together with her best friends Quinn Fabray and Santana Lopez because Sue wanted to spy on New Directions. Brittany liked New Directions and decided to stay with the New Directions. She was a senior of the year 2011/2012, but she didn't graduate. She got the chance to repeat her senior year. She was the Senior Class President of 2011/2012.

Brittany quit the Cheerios in The Sue Sylvester Shuffle because Sue wanted to shoot her in a canon. Together with Santana and Quinn she was kicked off the Cheerios.