Olivia Wilde, born in 1984, has a younger brother Charlie Philip Cockburn, born in 1993, and an older sister, Chloe Frances Cockburn, born in 1979.
Tom Hiddleston, born in 1981, has an older sister, Sarah, born in 1979, and a younger sister, Emma, born in 1986.
Anne Hathaway, born in 1982, has an older brother, Michael, and a younger brother, Thomas.
Television talk show host David Letterman, born in 1947, has two sisters: one younger, Gretchen, and one older, Janice.
Judd Apatow, born in 1967, has an older brother, Robert, and a younger sister, Mia.
Jennifer Lopez, who was born in 1969, has an older sister, Leslie, and a younger sister, Lynda.
Bella Hadid, born in 1996, has two biological siblings; Anwar, born in 1999, and Gigi, born in 1995.
Pippa Middleton, born in 1983, has two siblings; older sister, Catherine, Duchess of Cambridge, better known as Kate Middleton, born in 1982, and younger brother, James, born in 1987.
Chris Hemsworth, born in 1983, has a younger brother, Liam, born in 1990, and an older brother, Luke, born in 1980.
Britney Spears, born in 1981, has an older brother, Bryan, born in 1977, and a younger sister, Jamie Lynn, born in 1991.
Katy Perry, born in 1984, has a younger brother, David, born in 1988, and an older sister, Angela, born in 1982.