4 Sibling Rivalries of the Stars

Even the rich and famous experience sibling rivalry—Biography.com rounds up five examples:

• Julia and Eric Roberts: They were close until Eric started abusing drugs and alcohol and broke up with his longtime girlfriend. Julia sided with the girlfriend, and helped her get custody of their daughter.
• Jessica and Ashlee Simpson: When Ashlee first started making music, four years after Jessica got famous, she wrote a song called "Shadow" about being in, well, her sister's shadow.

• Liam and Noel Gallagher: The former Oasis bandmates caused the band to break up over their rivalry. Things got really bad when Liam changed the lyrics to one of Noel's songs. He ended up suing Noel for causing the band to split, though he did drop the suit.
• Eppie and Pauline Lederer: Eppie took over the Ann Landers advice column in 1955, leading her twin sister Pauline to copy her by starting her own advice column, Dear Abby.

Click for the complete list and more details, or read about celebrity siblings who deserve the spotlight. (More Julia Roberts stories.)