Complex sentence: Shifty Shellshock, Jeff Conaway, Ricco Rodriguez, Tawny Kitaen, Chyna, Brigitte Nielsen, Lindsay Lohan, who is known for her substance abuse problems, and actress/singer Hilary Duff, who does not have any history of substance abuse.
Split into simpler sentences: Shifty Shellshock, Jeff Conaway, Ricco Rodriguez, Tawny Kitaen, Chyna, and Brigitte Nielsen. As well as Lindsay Lohan, who is known for her substance abuse problems, and actress/singer Hilary Duff, who does not have any history of substance abuse.