"She obsessively hates Lindsay," says the Bynes pal. "She rambles about 'that bitch Lindsay' all the time."
While a rep for Lohan insists "there is no feud" between the two actresses, both 26, the former Disney darling and current troublemaker knows how to stir the pot.
"Why did I get put in jail and a Nickelodeon star has had NO punishment(s) so far?" Lohan tweeted September 16.
Bynes, who made a name for herself as a child star on Nickelodeon's sketch comedy show, All That, is currently facing a DUI charge from an April arrest, two hit-and-run charges, as well as a charge for driving on a suspended license (police impounded her BMW in mid-September).
Says an insider close to the troubled star, "Amanda is spiraling out of control. She won't accept help from anybody . . . She's completely lost."
Lohan, for her part, has certainly had her share of legal troubles in recent years: The Canyons actress is on probation through May 2014 for her 2011 theft of a $2,500 necklace. In March, her formal probation from her 2007 Beverly Hills DUI case came to an end.
This article originally appeared on Usmagazine.com: Amanda Bynes "Obsessively Hates" Lindsay Lohan
- Amanda Bynes
- Lindsay Lohan