Aubrey O'Day is an American singer, reality television personality, and actress, best known as a founding member of the girl group Danity Kane, which was created by Sean "Diddy" Combs. She was born on February 11, 1984, in San Francisco, California

. O'Day rose to fame in 2005 when she was selected by Diddy on the MTV reality show Making the Band 3 to be part of Danity Kane. The group achieved significant success with hits like "Show Stopper" and "Damaged." However, she was fired from the group in 2008 amid internal conflicts but later reunited with Danity Kane for brief periods

. In addition to her music career, Aubrey O'Day has appeared in reality TV shows such as Celebrity Apprentice , Famously Single , Ex on the Beach , Celebrity Big Brother UK , and The Masked Singer. She has also performed on Broadway, notably playing Amber Von Tussle in Hairspray in 2008. O'Day has pursued a solo music career, releasing an EP titled Between Two Evils in 2013

. She has also been involved in charity work, particularly focused on children suffering from AIDS, founding the group Fight AIDS Now (FAN)

. More recently, O'Day has been in the news related to the federal trial of Sean "Diddy" Combs, where she was expected to testify as a witness. She has publicly spoken about her difficult experiences with Diddy during her time in Danity Kane

. In summary, Aubrey O'Day is a multifaceted entertainer known primarily for her singing career with Danity Kane, her reality TV appearances, Broadway performances, and her involvement in high-profile legal matters connected to her former mentor Sean "Diddy" Combs.