Lindsay Lohan has found the perfect new best friend - Yahoo! Chairman Terry Semel's sober daughter COURTENAY. The reformed Mean Girls star has reportedly leased a Beverly Hills home with the 28-year-old, an old friend who reconnected with the actress upon her release from rehab at the end of the summer (07). An insider tells In Touch Weekly magazine, "Courtenay's sober, so she's the perfect pal for Lindsay."