Rebecca and Rydel got switched at birth. Rydel's best friend Zel finds out about it. Rydel, Zel and Wren go to L.A. and she talks to Rebecca and Rydel takes the spot in R5, because Rebecca wanted her to. 

Season 1 Main Cast

Selena Gomez as Rebecca Lynch

Rydel Lynch as Rydel Lynch

Rebecca Black as Wren

Demi Lovato as Zel

Ariana Grande as Josie

Ross Lynch as Ross Lynch

Riker Lynch as Riker Lynch

Rocky Lynch as Rocky Lynch

Ryland Lynch as Ryland Lynch

Stormie Lynch as Stormie Lynch

Mark Lynch as Mark Lynch

Ellington Ratliff as Ellington Ratliff