About Orianthi
Orianthi Penny Panagaris (born 22 January 1985), known mononymously as Orianthi, is an Australian guitarist, singer and songwriter. She has been a touring guitarist for several known musical acts, most notably Michael Jackson for his cancelled This Is It concert residency. Her 2009 debut single "According to You" peaked at No. 3 in Japan, No. 8 in Australia and No. 17 in the US; her second album, Believe, received a worldwide release in late 2009. The same year, she was named one of the "12 Greatest Female Electric Guitarists" by Elle magazine. She also won the "2010 Breakthrough Guitarist of the Year" award hosted by Guitar International magazine. Orianthi relocated to Los Angeles, signed with Geffen Records in late 2006 and struck a management deal with 19 Entertainment. She presented an award at the 2009 American Music Awards, which Jackson won posthumously.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.