Simplify the following text for a Grade 5 native English-speaking person.
Original: The younger sister of pop star Britney Spears , she rose to prominence for her appearances on Nickelodeon shows All That and for playing Zoey Brooks on Zoey 101 .
Simplified: She is the younger sister of pop singer Britney Spears . She played the lead role in the television series Zoey 101 .