Britney Shakes It Up! is a fanfic episode of Shake It Up. This episode marks the special appearance by Britney Spears.
- Bella Thorne as CeCe Jones
- Zendaya as Rocky Blue
- Davis Cleveland as Flynn Jones
- Roshon Fegan as Ty Blue
- Adam Irigoyen as Deuce Martinez
- Kenton Duty and Caroline Sunshine as Gunther and Tinka Hessenheffer
- R. Brandon Johnson as Gary Wilde
- Britney Spears as herself
Rocky and CeCe find out that in the next episode of Shake It Up they'll dance with Britney Spears. Unfortunately, CeCe hates Britney. Rocky tries to make CeCe like Britney or their chance of dancing with her will be ruined. Meanwhile, Ty and Deuce accidentally make Flynn injured and they're forced to take care of him.
- The song that Rocky and CeCe dance with Britney is her single, Till the World Ends.