Hands Of Love: Christina Aguilera, Jessica Simpson

Linda Perry and Jessica Simpson attend the Linda Perry Celebration For The Song 'Hands Of Love' From The Film 'Freeheld'. (Getty Images)

Christina Aguilera performs at the Linda Perry Celebration. (Getty Images)

Courtney Love (Getty Images)

Juliette Lewis performs at Linda Perry Celebration (Getty Images)

Julie Chen and President and CEO of CBS Leslie Moonves (Getty Images)

Ashlee Simpson and Juliette Lewis (Getty Images)

Linda Perry and Sharon Osbourne (Getty Images)

Christina Aguilera, Sara Gilbert and Linda Perry (Getty Images)