Popsugar Celebrity And Entertainment Zac Efron Celebrities With Their Siblings | Pictures Celebrity Siblings You Probably Didn't Know About 28 January, 2016 by Britt Stephens 4 Shares View On One Page Photo 77 of 86 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 77 Britney and Jamie Lynn Spears Britney and her younger sister, Jamie Lynn, also have an older brother named Bryan. Previous Next Start Slideshow Zac EfronEmma WatsonNicole RichieGwyneth Paltrow