Lindsay Lohan is worried that mom Dina's reality show with sister Ali could mean big trouble for her little sis. Lindsay knows the hardships of the attention.

The Chicago Sun-Times reports that, according to "a longtime Lindsay associate and friend," Lindsay worries the show could be "really toxic" for her sister.

Ali is set to follow in the footsteps of her older sister. She'll make her screen debut in a film based on R.L. Stine's pre-teen book series, "Mostly Ghostly."