, Jan. 3 -- The lawsuit, lodged in Los Angeles County Superior Court, accuses Lythgoe of sexually assaulting Abdul during their collaboration on two popular talent shows. Abdul, known for her chart-topping success in the late 1980s, specifically claims the assault occurred in an elevator during the early seasons of American Idol..

Lythgoe has since denied the allegations citing he is shocked and saddened by them.

Following Paula Abdul's lawsuit, Lythgoe is now confronted with a second legal challenge. According to TMZ the lawsuit alleges that 20 years ago he sexually assaulted and harassed two contestants on the reality competition show All American Girl.

The show, which aired for one season in 2003, had Lythgoe as a producer. The docu...