While her tremendous talent has never been questioned, her moving rendition of the Star-Spangled Banner at President Barack Obama's inauguration this week has the world wondering whether her performance was live or lip-synched. Here are five things you probably don't know about Beyonce.
1. Sang John Lennon's song Imagine at her first talent show at age 7 and won the competition, which included much older contestants in their teens.
2. Lost 20 pounds in 14 days for her role as Deena Jones in Dreamgirls on a strict diet that included "a concoction of lemon juice, maple syrup, water and cayenne pepper" to be consumed 6-12 times per day.
3. The number 4 has special significance in her life. She was born September 4 -- her mother Tina was born January 4 -- she was married on April 4 -- her husband Jay-Z was born December 4 -- her fourth studio album released in 2011 was titled 4.