Mischa Barton badly bombed during filming of "Law & Order: SVU" on Monday, according to an insider - and more of her infamous hard partying may be to blame.
After reports surfaced yesterday about the troubled starlet continually forgetting lines while filming a scene with Chris Meloni and Mariska Hargitay - she played a hooker in her guest spot - our source acknowledged that Mischa's been rocking out all over NYC.
