Katharine McPhee is an American singer, songwriter, and actress, known primarily for her pop and adult contemporary music styles. She gained fame as a runner-up on the fifth season of "American Idol" in 2006, which launched her music career. Her self-titled debut album, released in 2007, featured the hit single "Over It," showcasing her vocal range and pop sensibility. McPhee's notable works include her albums "Unbroken" (2010) and "Hysteria" (2015). She is also recognized for her contributions to the Broadway stage, particularly her role in "Waitress." Beyond music, McPhee starred in the television series "Smash," which focused on the creation of a Broadway musical and further solidified her presence in the entertainment industry. While not a dominant figure on the charts, McPhee has cultivated a dedicated fan base and is appreciated for her versatile talents in both music and acting. Her impact on music is characterized by her blend of pop and theater, contributing to the crossover appeal of artists who navigate multiple entertainment mediums.