In Mischa Barton
's world there's no such thing as too rich or too thin. The skinny starlet fired back at critics and concerned fans who've been blasting her for losing too much weight too quickly.Mischa
, 23, wrote on her blog: "Just so you guys know, I'm happier and healthier than ever. Things are really well in Mischa world and I've just been watching what I eat.
"I still love my Pilates and yoga, and have cut