Lindsay Lohan's dropped 14 pounds, and friends worry her skinny-mini girlfriend might be the reason, the Boston Globe reports. “Since falling in love with Samantha Ronson—who is naturally very slim—Lindsay seems desperate to lose more weight,” a source says. But Lohan, who's denied eating disorder rumors before, says her diet is healthy and includes “sushi, pasta salad, and lots of green vegetables.” (More Lindsay Lohan stories.)