The estate of late superstar Michael Jackson has been hit with a $1 billion lawsuit from a woman who claims to have inspired many of the singer's greatest records. Kimberly Griggs filed paperwork in San Diego, claiming she had an intimate relationship with Jackson in 1979. She goes on to suggest he detailed the alleged romance on albums including Thriller, Bad and Dangerous and is suing over allegations the late star exposed her personal secrets and promised to give her the rights to the tracks.The handwritten lawsuit, obtained by TMZ.com, demands $1 billion in damages.